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STM32F072 · уровень справочник · 64 мин чтения
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Приложение A3. Карты регистров STM32F0

Серия STM32F0: Cortex-M0 до 48 МГц — самые простые и дешёвые из «основных» серий. Регистры и биты основных блоков — из заголовка STM32F072, тем же генератором, что карты F1 и F4: смещения — по структурам *_TypeDef, назначение регистра и описание бита — из комментариев заголовка. Блоки, которых в серии нет, опущены. Разделы справочника написаны для F103 и F407; имена регистров и битов у серий в основном те же — карта помогает перенести код и увидеть, что устроено иначе.

Как читать: смещение — от базового адреса блока; 31:16 — поле битов с 16 по 31; одно число — отдельный бит. Цифра в скобках у заголовка блока — раздел, где блок разобран.

Периферия STM32F072 по шинам: базы шин и смещения блоков приложения, как в окне отладчика


RCC — Тактирование (раздел 6)

Регистр Смещение Бит Назначение
CR 0x00 32 RCC clock control register
RCC_CR_HSION 0 Internal High Speed clock enable
RCC_CR_HSIRDY 1 Internal High Speed clock ready flag
RCC_CR_HSITRIM 3:7 Internal High Speed clock trimming
RCC_CR_HSICAL 8:15 Internal High Speed clock Calibration
RCC_CR_HSEON 16 External High Speed clock enable
RCC_CR_HSERDY 17 External High Speed clock ready flag
RCC_CR_HSEBYP 18 External High Speed clock Bypass
RCC_CR_CSSON 19 Clock Security System enable
RCC_CR_PLLON 24 PLL enable
RCC_CR_PLLRDY 25 PLL clock ready flag
CFGR 0x04 32 RCC clock configuration register
RCC_CFGR_SW 0:1 SW[1:0] bits (System clock Switch)
RCC_CFGR_SWS 2:3 SWS[1:0] bits (System Clock Switch Status)
RCC_CFGR_HPRE 4:7 HPRE[3:0] bits (AHB prescaler)
RCC_CFGR_PPRE 8:10 PRE[2:0] bits (APB prescaler)
RCC_CFGR_PPRE_DIV4 8:10 HCLK divided by 4
RCC_CFGR_PPRE_DIV16 8:10 HCLK divided by 16
RCC_CFGR_PPRE_DIV8 9:10 HCLK divided by 8
RCC_CFGR_PPRE_DIV2 10 HCLK divided by 2
RCC_CFGR_ADCPRE 14 ADCPRE bit (ADC prescaler)
RCC_CFGR_PLLSRC 15:16 PLL entry clock source
RCC_CFGR_PLLXTPRE 17 HSE divider for PLL entry
RCC_CFGR_PLLMUL 18:21 PLLMUL[3:0] bits (PLL multiplication factor)
RCC_CFGR_USBPRE 22 USB prescaler
RCC_CFGR_MCO 24:27 MCO[3:0] bits (Microcontroller Clock Output)
RCC_CFGR_MCOPRE 28:30 MCO prescaler
RCC_CFGR_PLLNODIV 31 PLL is not divided to MCO
CIR 0x08 32 RCC clock interrupt register
RCC_CIR_LSIRDYF 0 LSI Ready Interrupt flag
RCC_CIR_LSERDYF 1 LSE Ready Interrupt flag
RCC_CIR_HSIRDYF 2 HSI Ready Interrupt flag
RCC_CIR_HSERDYF 3 HSE Ready Interrupt flag
RCC_CIR_PLLRDYF 4 PLL Ready Interrupt flag
RCC_CIR_HSI14RDYF 5 HSI14 Ready Interrupt flag
RCC_CIR_HSI48RDYF 6 HSI48 Ready Interrupt flag
RCC_CIR_CSSF 7 Clock Security System Interrupt flag
RCC_CIR_LSIRDYIE 8 LSI Ready Interrupt Enable
RCC_CIR_LSERDYIE 9 LSE Ready Interrupt Enable
RCC_CIR_HSIRDYIE 10 HSI Ready Interrupt Enable
RCC_CIR_HSERDYIE 11 HSE Ready Interrupt Enable
RCC_CIR_PLLRDYIE 12 PLL Ready Interrupt Enable
RCC_CIR_HSI14RDYIE 13 HSI14 Ready Interrupt Enable
RCC_CIR_HSI48RDYIE 14 HSI48 Ready Interrupt Enable
RCC_CIR_LSIRDYC 16 LSI Ready Interrupt Clear
RCC_CIR_LSERDYC 17 LSE Ready Interrupt Clear
RCC_CIR_HSIRDYC 18 HSI Ready Interrupt Clear
RCC_CIR_HSERDYC 19 HSE Ready Interrupt Clear
RCC_CIR_PLLRDYC 20 PLL Ready Interrupt Clear
RCC_CIR_HSI14RDYC 21 HSI14 Ready Interrupt Clear
RCC_CIR_HSI48RDYC 22 HSI48 Ready Interrupt Clear
RCC_CIR_CSSC 23 Clock Security System Interrupt Clear
APB2RSTR 0x0C 32 RCC APB2 peripheral reset register
RCC_APB2RSTR_SYSCFGRST 0 SYSCFG reset
RCC_APB2RSTR_ADCRST 9 ADC reset
RCC_APB2RSTR_TIM1RST 11 TIM1 reset
RCC_APB2RSTR_SPI1RST 12 SPI1 reset
RCC_APB2RSTR_USART1RST 14 USART1 reset
RCC_APB2RSTR_TIM15RST 16 TIM15 reset
RCC_APB2RSTR_TIM16RST 17 TIM16 reset
RCC_APB2RSTR_TIM17RST 18 TIM17 reset
RCC_APB2RSTR_DBGMCURST 22 DBGMCU reset
APB1RSTR 0x10 32 RCC APB1 peripheral reset register
RCC_APB1RSTR_TIM2RST 0 Timer 2 reset
RCC_APB1RSTR_TIM3RST 1 Timer 3 reset
RCC_APB1RSTR_TIM6RST 4 Timer 6 reset
RCC_APB1RSTR_TIM7RST 5 Timer 7 reset
RCC_APB1RSTR_TIM14RST 8 Timer 14 reset
RCC_APB1RSTR_WWDGRST 11 Window Watchdog reset
RCC_APB1RSTR_SPI2RST 14 SPI2 reset
RCC_APB1RSTR_USART2RST 17 USART 2 reset
RCC_APB1RSTR_USART3RST 18 USART 3 reset
RCC_APB1RSTR_USART4RST 19 USART 4 reset
RCC_APB1RSTR_I2C1RST 21 I2C 1 reset
RCC_APB1RSTR_I2C2RST 22 I2C 2 reset
RCC_APB1RSTR_USBRST 23 USB reset
RCC_APB1RSTR_CANRST 25 CAN reset
RCC_APB1RSTR_CRSRST 27 CRS reset
RCC_APB1RSTR_PWRRST 28 PWR reset
RCC_APB1RSTR_DACRST 29 DAC reset
RCC_APB1RSTR_CECRST 30 CEC reset
AHBENR 0x14 32 RCC AHB peripheral clock register
RCC_AHBENR_DMAEN 0 DMA1 clock enable
RCC_AHBENR_SRAMEN 2 SRAM interface clock enable
RCC_AHBENR_FLITFEN 4 FLITF clock enable
RCC_AHBENR_CRCEN 6 CRC clock enable
RCC_AHBENR_GPIOAEN 17 GPIOA clock enable
RCC_AHBENR_GPIOBEN 18 GPIOB clock enable
RCC_AHBENR_GPIOCEN 19 GPIOC clock enable
RCC_AHBENR_GPIODEN 20 GPIOD clock enable
RCC_AHBENR_GPIOEEN 21 GPIOE clock enable
RCC_AHBENR_GPIOFEN 22 GPIOF clock enable
RCC_AHBENR_TSCEN 24 TS controller clock enable
APB2ENR 0x18 32 RCC APB2 peripheral clock enable register
RCC_APB2ENR_SYSCFGCOMPEN 0 SYSCFG and comparator clock enable
RCC_APB2ENR_ADCEN 9 ADC1 clock enable
RCC_APB2ENR_TIM1EN 11 TIM1 clock enable
RCC_APB2ENR_SPI1EN 12 SPI1 clock enable
RCC_APB2ENR_USART1EN 14 USART1 clock enable
RCC_APB2ENR_TIM15EN 16 TIM15 clock enable
RCC_APB2ENR_TIM16EN 17 TIM16 clock enable
RCC_APB2ENR_TIM17EN 18 TIM17 clock enable
RCC_APB2ENR_DBGMCUEN 22 DBGMCU clock enable
APB1ENR 0x1C 32 RCC APB1 peripheral clock enable register
RCC_APB1ENR_TIM2EN 0 Timer 2 clock enable
RCC_APB1ENR_TIM3EN 1 Timer 3 clock enable
RCC_APB1ENR_TIM6EN 4 Timer 6 clock enable
RCC_APB1ENR_TIM7EN 5 Timer 7 clock enable
RCC_APB1ENR_TIM14EN 8 Timer 14 clock enable
RCC_APB1ENR_WWDGEN 11 Window Watchdog clock enable
RCC_APB1ENR_SPI2EN 14 SPI2 clock enable
RCC_APB1ENR_USART2EN 17 USART2 clock enable
RCC_APB1ENR_USART3EN 18 USART3 clock enable
RCC_APB1ENR_USART4EN 19 USART4 clock enable
RCC_APB1ENR_I2C1EN 21 I2C1 clock enable
RCC_APB1ENR_I2C2EN 22 I2C2 clock enable
RCC_APB1ENR_USBEN 23 USB clock enable
RCC_APB1ENR_CANEN 25 CAN clock enable
RCC_APB1ENR_CRSEN 27 CRS clock enable
RCC_APB1ENR_PWREN 28 PWR clock enable
RCC_APB1ENR_DACEN 29 DAC clock enable
RCC_APB1ENR_CECEN 30 CEC clock enable
BDCR 0x20 32 RCC Backup domain control register
RCC_BDCR_LSEON 0 External Low Speed oscillator enable
RCC_BDCR_LSERDY 1 External Low Speed oscillator Ready
RCC_BDCR_LSEBYP 2 External Low Speed oscillator Bypass
RCC_BDCR_LSEDRV 3:4 LSEDRV[1:0] bits (LSE Osc. drive capability)
RCC_BDCR_RTCSEL 8:9 RTCSEL[1:0] bits (RTC clock source selection)
RCC_BDCR_RTCEN 15 RTC clock enable
RCC_BDCR_BDRST 16 Backup domain software reset
CSR 0x24 32 RCC clock control & status register
RCC_CSR_LSION 0 Internal Low Speed oscillator enable
RCC_CSR_LSIRDY 1 Internal Low Speed oscillator Ready
RCC_CSR_V18PWRRSTF 23 V1.8 power domain reset flag
RCC_CSR_RMVF 24 Remove reset flag
RCC_CSR_OBLRSTF 25 OBL reset flag
RCC_CSR_PINRSTF 26 PIN reset flag
RCC_CSR_PORRSTF 27 POR/PDR reset flag
RCC_CSR_SFTRSTF 28 Software Reset flag
RCC_CSR_IWDGRSTF 29 Independent Watchdog reset flag
RCC_CSR_WWDGRSTF 30 Window watchdog reset flag
RCC_CSR_LPWRRSTF 31 Low-Power reset flag
AHBRSTR 0x28 32 RCC AHB peripheral reset register
RCC_AHBRSTR_GPIOARST 17 GPIOA reset
RCC_AHBRSTR_GPIOBRST 18 GPIOB reset
RCC_AHBRSTR_GPIOCRST 19 GPIOC reset
RCC_AHBRSTR_GPIODRST 20 GPIOD reset
RCC_AHBRSTR_GPIOERST 21 GPIOE reset
RCC_AHBRSTR_GPIOFRST 22 GPIOF reset
RCC_AHBRSTR_TSCRST 24 TS reset
CFGR2 0x2C 32 RCC clock configuration register 2
RCC_CFGR2_PREDIV 0:3 PREDIV[3:0] bits
CFGR3 0x30 32 RCC clock configuration register 3
RCC_CFGR3_USART1SW 0:1 USART1SW[1:0] bits
RCC_CFGR3_I2C1SW 4 I2C1SW bits
RCC_CFGR3_I2C1SW_SYSCLK 4 System clock selected as I2C1 clock source
RCC_CFGR3_CECSW 6 CECSW bits
RCC_CFGR3_CECSW_LSE 6 LSE clock selected as HDMI CEC entry clock source
RCC_CFGR3_USBSW 7 USBSW bits
RCC_CFGR3_USBSW_PLLCLK 7 PLLCLK selected as USB clock source
RCC_CFGR3_USART2SW 16:17 USART2SW[1:0] bits
CR2 0x34 32 RCC clock control register 2
RCC_CR2_HSI14ON 0 Internal High Speed 14MHz clock enable
RCC_CR2_HSI14RDY 1 Internal High Speed 14MHz clock ready flag
RCC_CR2_HSI14DIS 2 Internal High Speed 14MHz clock disable
RCC_CR2_HSI14TRIM 3:7 Internal High Speed 14MHz clock trimming
RCC_CR2_HSI14CAL 8:15 Internal High Speed 14MHz clock Calibration
RCC_CR2_HSI48ON 16 Internal High Speed 48MHz clock enable
RCC_CR2_HSI48RDY 17 Internal High Speed 48MHz clock ready flag
RCC_CR2_HSI48CAL 24:31 Internal High Speed 48MHz clock Calibration

GPIO — Порты ввода-вывода (раздел 8)

Регистр Смещение Бит Назначение
MODER 0x00 32 GPIO port mode register
GPIO_MODER_MODER0 0:1
GPIO_MODER_MODER1 2:3
GPIO_MODER_MODER2 4:5
GPIO_MODER_MODER3 6:7
GPIO_MODER_MODER4 8:9
GPIO_MODER_MODER5 10:11
GPIO_MODER_MODER6 12:13
GPIO_MODER_MODER7 14:15
GPIO_MODER_MODER8 16:17
GPIO_MODER_MODER9 18:19
GPIO_MODER_MODER10 20:21
GPIO_MODER_MODER11 22:23
GPIO_MODER_MODER12 24:25
GPIO_MODER_MODER13 26:27
GPIO_MODER_MODER14 28:29
GPIO_MODER_MODER15 30:31
OTYPER 0x04 32 GPIO port output type register
OSPEEDR 0x08 32 GPIO port output speed register
GPIO_OSPEEDR_OSPEEDR0 0:1
GPIO_OSPEEDR_OSPEEDR1 2:3
GPIO_OSPEEDR_OSPEEDR2 4:5
GPIO_OSPEEDR_OSPEEDR3 6:7
GPIO_OSPEEDR_OSPEEDR4 8:9
GPIO_OSPEEDR_OSPEEDR5 10:11
GPIO_OSPEEDR_OSPEEDR6 12:13
GPIO_OSPEEDR_OSPEEDR7 14:15
GPIO_OSPEEDR_OSPEEDR8 16:17
GPIO_OSPEEDR_OSPEEDR9 18:19
GPIO_OSPEEDR_OSPEEDR10 20:21
GPIO_OSPEEDR_OSPEEDR11 22:23
GPIO_OSPEEDR_OSPEEDR12 24:25
GPIO_OSPEEDR_OSPEEDR13 26:27
GPIO_OSPEEDR_OSPEEDR14 28:29
GPIO_OSPEEDR_OSPEEDR15 30:31
PUPDR 0x0C 32 GPIO port pull-up/pull-down register
GPIO_PUPDR_PUPDR0 0:1
GPIO_PUPDR_PUPDR1 2:3
GPIO_PUPDR_PUPDR2 4:5
GPIO_PUPDR_PUPDR3 6:7
GPIO_PUPDR_PUPDR4 8:9
GPIO_PUPDR_PUPDR5 10:11
GPIO_PUPDR_PUPDR6 12:13
GPIO_PUPDR_PUPDR7 14:15
GPIO_PUPDR_PUPDR8 16:17
GPIO_PUPDR_PUPDR9 18:19
GPIO_PUPDR_PUPDR10 20:21
GPIO_PUPDR_PUPDR11 22:23
GPIO_PUPDR_PUPDR12 24:25
GPIO_PUPDR_PUPDR13 26:27
GPIO_PUPDR_PUPDR14 28:29
GPIO_PUPDR_PUPDR15 30:31
IDR 0x10 32 GPIO port input data register
ODR 0x14 32 GPIO port output data register
BSRR 0x18 32 GPIO port bit set/reset register
LCKR 0x1C 32 GPIO port configuration lock register
GPIO_LCKR_LCK0 0
GPIO_LCKR_LCK1 1
GPIO_LCKR_LCK2 2
GPIO_LCKR_LCK3 3
GPIO_LCKR_LCK4 4
GPIO_LCKR_LCK5 5
GPIO_LCKR_LCK6 6
GPIO_LCKR_LCK7 7
GPIO_LCKR_LCK8 8
GPIO_LCKR_LCK9 9
GPIO_LCKR_LCK10 10
GPIO_LCKR_LCK11 11
GPIO_LCKR_LCK12 12
GPIO_LCKR_LCK13 13
GPIO_LCKR_LCK14 14
GPIO_LCKR_LCK15 15
GPIO_LCKR_LCKK 16
AFR+2×4 0x20 32 GPIO alternate function low register
BRR 0x28 32 GPIO bit reset register

SYSCFG — Системная конфигурация (раздел 8)

Регистр Смещение Бит Назначение
CFGR1 0x00 32 SYSCFG configuration register 1
SYSCFG_CFGR1_MEM_MODE 0:1 SYSCFG_Memory Remap Config
SYSCFG_CFGR1_DMA_RMP 8:30 DMA remap mask
SYSCFG_CFGR1_ADC_DMA_RMP 8 ADC DMA remap
SYSCFG_CFGR1_USART1TX_DMA_RMP 9 USART1 TX DMA remap
SYSCFG_CFGR1_USART1RX_DMA_RMP 10 USART1 RX DMA remap
SYSCFG_CFGR1_TIM16_DMA_RMP 11 Timer 16 DMA remap
SYSCFG_CFGR1_TIM17_DMA_RMP 12 Timer 17 DMA remap
SYSCFG_CFGR1_TIM16_DMA_RMP2 13 Timer 16 DMA remap 2
SYSCFG_CFGR1_TIM17_DMA_RMP2 14 Timer 17 DMA remap 2
SYSCFG_CFGR1_I2C_FMP_PB6 16 I2C PB6 Fast mode plus
SYSCFG_CFGR1_I2C_FMP_PB7 17 I2C PB7 Fast mode plus
SYSCFG_CFGR1_I2C_FMP_PB8 18 I2C PB8 Fast mode plus
SYSCFG_CFGR1_I2C_FMP_PB9 19 I2C PB9 Fast mode plus
SYSCFG_CFGR1_I2C_FMP_I2C1 20 Enable Fast Mode Plus on PB10, PB11, PF6 and PF7
SYSCFG_CFGR1_I2C_FMP_I2C2 21 Enable I2C2 Fast mode plus
SYSCFG_CFGR1_SPI2_DMA_RMP 24 SPI2 DMA remap
SYSCFG_CFGR1_USART2_DMA_RMP 25 USART2 DMA remap
SYSCFG_CFGR1_USART3_DMA_RMP 26 USART3 DMA remap
SYSCFG_CFGR1_I2C1_DMA_RMP 27 I2C1 DMA remap
SYSCFG_CFGR1_TIM1_DMA_RMP 28 TIM1 DMA remap
SYSCFG_CFGR1_TIM2_DMA_RMP 29 TIM2 DMA remap
SYSCFG_CFGR1_TIM3_DMA_RMP 30 TIM3 DMA remap
EXTICR+4×4 0x08 32 SYSCFG external interrupt configuration register
CFGR2 0x18 32 SYSCFG configuration register 2
SYSCFG_CFGR2_LOCKUP_LOCK 0 Enables and locks the LOCKUP (Hardfault) output of CortexM0 with Break Input of TIMER1
SYSCFG_CFGR2_SRAM_PARITY_LOCK 1 Enables and locks the SRAM_PARITY error signal with Break Input of TIMER1
SYSCFG_CFGR2_PVD_LOCK 2 Enables and locks the PVD connection with Timer1 Break Input and also the PVD_EN and PVDSEL[2:0] bits of the Power Control Interface
SYSCFG_CFGR2_SRAM_PEF 8 SRAM Parity error flag

EXTI — Внешние прерывания (раздел 7)

Регистр Смещение Бит Назначение
IMR 0x00 32 EXTI Interrupt mask register
EXTI_IMR_MR0 0 Interrupt Mask on line 0
EXTI_IMR_IM 0:31 Interrupt Mask All
EXTI_IMR_MR1 1 Interrupt Mask on line 1
EXTI_IMR_MR2 2 Interrupt Mask on line 2
EXTI_IMR_MR3 3 Interrupt Mask on line 3
EXTI_IMR_MR4 4 Interrupt Mask on line 4
EXTI_IMR_MR5 5 Interrupt Mask on line 5
EXTI_IMR_MR6 6 Interrupt Mask on line 6
EXTI_IMR_MR7 7 Interrupt Mask on line 7
EXTI_IMR_MR8 8 Interrupt Mask on line 8
EXTI_IMR_MR9 9 Interrupt Mask on line 9
EXTI_IMR_MR10 10 Interrupt Mask on line 10
EXTI_IMR_MR11 11 Interrupt Mask on line 11
EXTI_IMR_MR12 12 Interrupt Mask on line 12
EXTI_IMR_MR13 13 Interrupt Mask on line 13
EXTI_IMR_MR14 14 Interrupt Mask on line 14
EXTI_IMR_MR15 15 Interrupt Mask on line 15
EXTI_IMR_MR16 16 Interrupt Mask on line 16
EXTI_IMR_MR17 17 Interrupt Mask on line 17
EXTI_IMR_MR18 18 Interrupt Mask on line 18
EXTI_IMR_MR19 19 Interrupt Mask on line 19
EXTI_IMR_MR20 20 Interrupt Mask on line 20
EXTI_IMR_MR21 21 Interrupt Mask on line 21
EXTI_IMR_MR22 22 Interrupt Mask on line 22
EXTI_IMR_MR23 23 Interrupt Mask on line 23
EXTI_IMR_MR25 25 Interrupt Mask on line 25
EXTI_IMR_MR26 26 Interrupt Mask on line 26
EXTI_IMR_MR27 27 Interrupt Mask on line 27
EXTI_IMR_MR31 31 Interrupt Mask on line 31
EMR 0x04 32 EXTI Event mask register
EXTI_EMR_MR0 0 Event Mask on line 0
EXTI_EMR_MR1 1 Event Mask on line 1
EXTI_EMR_MR2 2 Event Mask on line 2
EXTI_EMR_MR3 3 Event Mask on line 3
EXTI_EMR_MR4 4 Event Mask on line 4
EXTI_EMR_MR5 5 Event Mask on line 5
EXTI_EMR_MR6 6 Event Mask on line 6
EXTI_EMR_MR7 7 Event Mask on line 7
EXTI_EMR_MR8 8 Event Mask on line 8
EXTI_EMR_MR9 9 Event Mask on line 9
EXTI_EMR_MR10 10 Event Mask on line 10
EXTI_EMR_MR11 11 Event Mask on line 11
EXTI_EMR_MR12 12 Event Mask on line 12
EXTI_EMR_MR13 13 Event Mask on line 13
EXTI_EMR_MR14 14 Event Mask on line 14
EXTI_EMR_MR15 15 Event Mask on line 15
EXTI_EMR_MR16 16 Event Mask on line 16
EXTI_EMR_MR17 17 Event Mask on line 17
EXTI_EMR_MR18 18 Event Mask on line 18
EXTI_EMR_MR19 19 Event Mask on line 19
EXTI_EMR_MR20 20 Event Mask on line 20
EXTI_EMR_MR21 21 Event Mask on line 21
EXTI_EMR_MR22 22 Event Mask on line 22
EXTI_EMR_MR23 23 Event Mask on line 23
EXTI_EMR_MR25 25 Event Mask on line 25
EXTI_EMR_MR26 26 Event Mask on line 26
EXTI_EMR_MR27 27 Event Mask on line 27
EXTI_EMR_MR31 31 Event Mask on line 31
RTSR 0x08 32 EXTI Rising trigger selection register
EXTI_RTSR_TR0 0 Rising trigger event configuration bit of line 0
EXTI_RTSR_TR1 1 Rising trigger event configuration bit of line 1
EXTI_RTSR_TR2 2 Rising trigger event configuration bit of line 2
EXTI_RTSR_TR3 3 Rising trigger event configuration bit of line 3
EXTI_RTSR_TR4 4 Rising trigger event configuration bit of line 4
EXTI_RTSR_TR5 5 Rising trigger event configuration bit of line 5
EXTI_RTSR_TR6 6 Rising trigger event configuration bit of line 6
EXTI_RTSR_TR7 7 Rising trigger event configuration bit of line 7
EXTI_RTSR_TR8 8 Rising trigger event configuration bit of line 8
EXTI_RTSR_TR9 9 Rising trigger event configuration bit of line 9
EXTI_RTSR_TR10 10 Rising trigger event configuration bit of line 10
EXTI_RTSR_TR11 11 Rising trigger event configuration bit of line 11
EXTI_RTSR_TR12 12 Rising trigger event configuration bit of line 12
EXTI_RTSR_TR13 13 Rising trigger event configuration bit of line 13
EXTI_RTSR_TR14 14 Rising trigger event configuration bit of line 14
EXTI_RTSR_TR15 15 Rising trigger event configuration bit of line 15
EXTI_RTSR_TR16 16 Rising trigger event configuration bit of line 16
EXTI_RTSR_TR17 17 Rising trigger event configuration bit of line 17
EXTI_RTSR_TR19 19 Rising trigger event configuration bit of line 19
EXTI_RTSR_TR20 20 Rising trigger event configuration bit of line 20
EXTI_RTSR_TR21 21 Rising trigger event configuration bit of line 21
EXTI_RTSR_TR22 22 Rising trigger event configuration bit of line 22
EXTI_RTSR_TR31 31 Rising trigger event configuration bit of line 31
FTSR 0x0C 32 EXTI Falling trigger selection register
EXTI_FTSR_TR0 0 Falling trigger event configuration bit of line 0
EXTI_FTSR_TR1 1 Falling trigger event configuration bit of line 1
EXTI_FTSR_TR2 2 Falling trigger event configuration bit of line 2
EXTI_FTSR_TR3 3 Falling trigger event configuration bit of line 3
EXTI_FTSR_TR4 4 Falling trigger event configuration bit of line 4
EXTI_FTSR_TR5 5 Falling trigger event configuration bit of line 5
EXTI_FTSR_TR6 6 Falling trigger event configuration bit of line 6
EXTI_FTSR_TR7 7 Falling trigger event configuration bit of line 7
EXTI_FTSR_TR8 8 Falling trigger event configuration bit of line 8
EXTI_FTSR_TR9 9 Falling trigger event configuration bit of line 9
EXTI_FTSR_TR10 10 Falling trigger event configuration bit of line 10
EXTI_FTSR_TR11 11 Falling trigger event configuration bit of line 11
EXTI_FTSR_TR12 12 Falling trigger event configuration bit of line 12
EXTI_FTSR_TR13 13 Falling trigger event configuration bit of line 13
EXTI_FTSR_TR14 14 Falling trigger event configuration bit of line 14
EXTI_FTSR_TR15 15 Falling trigger event configuration bit of line 15
EXTI_FTSR_TR16 16 Falling trigger event configuration bit of line 16
EXTI_FTSR_TR17 17 Falling trigger event configuration bit of line 17
EXTI_FTSR_TR19 19 Falling trigger event configuration bit of line 19
EXTI_FTSR_TR20 20 Falling trigger event configuration bit of line 20
EXTI_FTSR_TR21 21 Falling trigger event configuration bit of line 21
EXTI_FTSR_TR22 22 Falling trigger event configuration bit of line 22
EXTI_FTSR_TR31 31 Falling trigger event configuration bit of line 31
SWIER 0x10 32 EXTI Software interrupt event register
EXTI_SWIER_SWIER0 0 Software Interrupt on line 0
EXTI_SWIER_SWIER1 1 Software Interrupt on line 1
EXTI_SWIER_SWIER2 2 Software Interrupt on line 2
EXTI_SWIER_SWIER3 3 Software Interrupt on line 3
EXTI_SWIER_SWIER4 4 Software Interrupt on line 4
EXTI_SWIER_SWIER5 5 Software Interrupt on line 5
EXTI_SWIER_SWIER6 6 Software Interrupt on line 6
EXTI_SWIER_SWIER7 7 Software Interrupt on line 7
EXTI_SWIER_SWIER8 8 Software Interrupt on line 8
EXTI_SWIER_SWIER9 9 Software Interrupt on line 9
EXTI_SWIER_SWIER10 10 Software Interrupt on line 10
EXTI_SWIER_SWIER11 11 Software Interrupt on line 11
EXTI_SWIER_SWIER12 12 Software Interrupt on line 12
EXTI_SWIER_SWIER13 13 Software Interrupt on line 13
EXTI_SWIER_SWIER14 14 Software Interrupt on line 14
EXTI_SWIER_SWIER15 15 Software Interrupt on line 15
EXTI_SWIER_SWIER16 16 Software Interrupt on line 16
EXTI_SWIER_SWIER17 17 Software Interrupt on line 17
EXTI_SWIER_SWIER19 19 Software Interrupt on line 19
EXTI_SWIER_SWIER20 20 Software Interrupt on line 20
EXTI_SWIER_SWIER21 21 Software Interrupt on line 21
EXTI_SWIER_SWIER22 22 Software Interrupt on line 22
EXTI_SWIER_SWIER31 31 Software Interrupt on line 31
PR 0x14 32 EXTI Pending register
EXTI_PR_PR0 0 Pending bit 0
EXTI_PR_PR1 1 Pending bit 1
EXTI_PR_PR2 2 Pending bit 2
EXTI_PR_PR3 3 Pending bit 3
EXTI_PR_PR4 4 Pending bit 4
EXTI_PR_PR5 5 Pending bit 5
EXTI_PR_PR6 6 Pending bit 6
EXTI_PR_PR7 7 Pending bit 7
EXTI_PR_PR8 8 Pending bit 8
EXTI_PR_PR9 9 Pending bit 9
EXTI_PR_PR10 10 Pending bit 10
EXTI_PR_PR11 11 Pending bit 11
EXTI_PR_PR12 12 Pending bit 12
EXTI_PR_PR13 13 Pending bit 13
EXTI_PR_PR14 14 Pending bit 14
EXTI_PR_PR15 15 Pending bit 15
EXTI_PR_PR16 16 Pending bit 16
EXTI_PR_PR17 17 Pending bit 17
EXTI_PR_PR19 19 Pending bit 19
EXTI_PR_PR20 20 Pending bit 20
EXTI_PR_PR21 21 Pending bit 21
EXTI_PR_PR22 22 Pending bit 22
EXTI_PR_PR31 31 Pending bit 31

DMA — Канал DMA (раздел 9)

Регистр Смещение Бит Назначение
CCR 0x00 32 DMA channel x configuration register
DMA_CCR_EN 0 Channel enable
DMA_CCR_TCIE 1 Transfer complete interrupt enable
DMA_CCR_HTIE 2 Half Transfer interrupt enable
DMA_CCR_TEIE 3 Transfer error interrupt enable
DMA_CCR_DIR 4 Data transfer direction
DMA_CCR_CIRC 5 Circular mode
DMA_CCR_PINC 6 Peripheral increment mode
DMA_CCR_MINC 7 Memory increment mode
DMA_CCR_PSIZE 8:9 PSIZE[1:0] bits (Peripheral size)
DMA_CCR_MSIZE 10:11 MSIZE[1:0] bits (Memory size)
DMA_CCR_PL 12:13 PL[1:0] bits(Channel Priority level)
DMA_CCR_MEM2MEM 14 Memory to memory mode
CNDTR 0x04 32 DMA channel x number of data register
DMA_CNDTR_NDT 0:15 Number of data to Transfer
CPAR 0x08 32 DMA channel x peripheral address register
DMA_CPAR_PA 0:31 Peripheral Address
CMAR 0x0C 32 DMA channel x memory address register
DMA_CMAR_MA 0:31 Memory Address

PWR — Питание и режимы сна (раздел 10)

Регистр Смещение Бит Назначение
CR 0x00 32 PWR power control register
PWR_CR_LPDS 0 Low-power Deepsleep
PWR_CR_PDDS 1 Power Down Deepsleep
PWR_CR_CWUF 2 Clear Wakeup Flag
PWR_CR_CSBF 3 Clear Standby Flag
PWR_CR_PVDE 4 Power Voltage Detector Enable
PWR_CR_PLS 5:7 PLS[2:0] bits (PVD Level Selection)
PWR_CR_DBP 8 Disable Backup Domain write protection
CSR 0x04 32 PWR power control/status register
PWR_CSR_WUF 0 Wakeup Flag
PWR_CSR_SBF 1 Standby Flag
PWR_CSR_PVDO 2 PVD Output
PWR_CSR_VREFINTRDYF 3 Internal voltage reference (VREFINT) ready flag
PWR_CSR_EWUP1 8 Enable WKUP pin 1
PWR_CSR_EWUP2 9 Enable WKUP pin 2
PWR_CSR_EWUP3 10 Enable WKUP pin 3
PWR_CSR_EWUP4 11 Enable WKUP pin 4
PWR_CSR_EWUP5 12 Enable WKUP pin 5
PWR_CSR_EWUP6 13 Enable WKUP pin 6
PWR_CSR_EWUP7 14 Enable WKUP pin 7
PWR_CSR_EWUP8 15 Enable WKUP pin 8

FLASH — Контроллер флеш-памяти (раздел 11)

Регистр Смещение Бит Назначение
ACR 0x00 32 FLASH access control register
FLASH_ACR_LATENCY 0 LATENCY bit (Latency)
FLASH_ACR_PRFTBE 4 Prefetch Buffer Enable
FLASH_ACR_PRFTBS 5 Prefetch Buffer Status
KEYR 0x04 32 FLASH key register
FLASH_KEYR_FKEYR 0:31 FPEC Key
OPTKEYR 0x08 32 FLASH OPT key register
FLASH_OPTKEYR_OPTKEYR 0:31 Option Byte Key
SR 0x0C 32 FLASH status register
FLASH_SR_BSY 0 Busy
FLASH_SR_PGERR 2 Programming Error
FLASH_SR_WRPRTERR 4 Write Protection Error
FLASH_SR_EOP 5 End of operation
CR 0x10 32 FLASH control register
FLASH_CR_PG 0 Programming
FLASH_CR_PER 1 Page Erase
FLASH_CR_MER 2 Mass Erase
FLASH_CR_OPTPG 4 Option Byte Programming
FLASH_CR_OPTER 5 Option Byte Erase
FLASH_CR_STRT 6 Start
FLASH_CR_LOCK 7 Lock
FLASH_CR_OPTWRE 9 Option Bytes Write Enable
FLASH_CR_ERRIE 10 Error Interrupt Enable
FLASH_CR_EOPIE 12 End of operation interrupt enable
FLASH_CR_OBL_LAUNCH 13 Option Bytes Loader Launch
AR 0x14 32 FLASH address register
FLASH_AR_FAR 0:31 Flash Address
OBR 0x1C 32 FLASH option bytes register
FLASH_OBR_OPTERR 0 Option Byte Error
FLASH_OBR_RDPRT1 1 Read protection Level 1
FLASH_OBR_RDPRT2 2 Read protection Level 2
FLASH_OBR_USER 8:14 User Option Bytes
FLASH_OBR_IWDG_SW 8 IWDG SW
FLASH_OBR_nRST_STOP 9 nRST_STOP
FLASH_OBR_nRST_STDBY 10 nRST_STDBY
FLASH_OBR_nBOOT1 12 nBOOT1
FLASH_OBR_VDDA_MONITOR 13 VDDA power supply supervisor
FLASH_OBR_RAM_PARITY_CHECK 14 RAM parity check
FLASH_OBR_DATA0 16:23 Data0
FLASH_OBR_DATA1 24:31 Data1
WRPR 0x20 32 FLASH option bytes register
FLASH_WRPR_WRP 0:15 Write Protect

IWDG — Независимый сторож (раздел 12)

Регистр Смещение Бит Назначение
KR 0x00 32 IWDG Key register
IWDG_KR_KEY 0:15 Key value (write only, read 0000h)
PR 0x04 32 IWDG Prescaler register
IWDG_PR_PR 0:2 PR[2:0] (Prescaler divider)
RLR 0x08 32 IWDG Reload register
IWDG_RLR_RL 0:11 Watchdog counter reload value
SR 0x0C 32 IWDG Status register
IWDG_SR_PVU 0 Watchdog prescaler value update
IWDG_SR_RVU 1 Watchdog counter reload value update
IWDG_SR_WVU 2 Watchdog counter window value update
WINR 0x10 32 IWDG Window register
IWDG_WINR_WIN 0:11 Watchdog counter window value

WWDG — Оконный сторож (раздел 12)

Регистр Смещение Бит Назначение
CR 0x00 32 WWDG Control register
WWDG_CR_T 0:6 T[6:0] bits (7-Bit counter (MSB to LSB))
WWDG_CR_WDGA 7 Activation bit
CFR 0x04 32 WWDG Configuration register
WWDG_CFR_W 0:6 W[6:0] bits (7-bit window value)
WWDG_CFR_WDGTB 7:8 WDGTB[1:0] bits (Timer Base)
WWDG_CFR_EWI 9 Early Wakeup Interrupt
SR 0x08 32 WWDG Status register
WWDG_SR_EWIF 0 Early Wakeup Interrupt Flag

CRC — Контрольная сумма (раздел 12)

Регистр Смещение Бит Назначение
DR 0x00 32 CRC Data register
CRC_DR_DR 0:31 Data register bits
IDR 0x04 8 CRC Independent data register
CR 0x08 32 CRC Control register
CRC_CR_RESET 0 RESET the CRC computation unit bit
CRC_CR_POLYSIZE 3:4 Polynomial size bits
CRC_CR_REV_IN 5:6 REV_IN Reverse Input Data bits
CRC_CR_REV_OUT 7 REV_OUT Reverse Output Data bits
INIT 0x10 32 Initial CRC value register
CRC_INIT_INIT 0:31 Initial CRC value bits
POL 0x14 32 CRC polynomial register
CRC_POL_POL 0:31 Coefficients of the polynomial

RTC — Часы реального времени (раздел 12)

Регистр Смещение Бит Назначение
TR 0x00 32 RTC time register
RTC_TR_SU 0:3
RTC_TR_ST 4:6
RTC_TR_MNU 8:11
RTC_TR_MNT 12:14
RTC_TR_HU 16:19
RTC_TR_HT 20:21
RTC_TR_PM 22
DR 0x04 32 RTC date register
RTC_DR_DU 0:3
RTC_DR_DT 4:5
RTC_DR_MU 8:11
RTC_DR_MT 12
RTC_DR_WDU 13:15
RTC_DR_YU 16:19
RTC_DR_YT 20:23
CR 0x08 32 RTC control register
RTC_CR_WUCKSEL 0:2
RTC_CR_TSEDGE 3
RTC_CR_REFCKON 4
RTC_CR_BYPSHAD 5
RTC_CR_FMT 6
RTC_CR_ALRAE 8
RTC_CR_WUTE 10
RTC_CR_TSE 11
RTC_CR_ALRAIE 12
RTC_CR_WUTIE 14
RTC_CR_TSIE 15
RTC_CR_ADD1H 16
RTC_CR_SUB1H 17
RTC_CR_BKP 18
RTC_CR_COSEL 19
RTC_CR_POL 20
RTC_CR_OSEL 21:22
RTC_CR_COE 23
ISR 0x0C 32 RTC initialization and status register
RTC_ISR_ALRAWF 0
RTC_ISR_WUTWF 2
RTC_ISR_SHPF 3
RTC_ISR_INITS 4
RTC_ISR_RSF 5
RTC_ISR_INITF 6
RTC_ISR_INIT 7
RTC_ISR_ALRAF 8
RTC_ISR_WUTF 10
RTC_ISR_TSF 11
RTC_ISR_TSOVF 12
RTC_ISR_TAMP1F 13
RTC_ISR_TAMP2F 14
RTC_ISR_TAMP3F 15
RTC_ISR_RECALPF 16
PRER 0x10 32 RTC prescaler register
RTC_PRER_PREDIV_S 0:14
RTC_PRER_PREDIV_A 16:22
WUTR 0x14 32 RTC wakeup timer register
RTC_WUTR_WUT 0:15
ALRMAR 0x1C 32 RTC alarm A register
RTC_ALRMAR_SU 0:3
RTC_ALRMAR_ST 4:6
RTC_ALRMAR_MSK1 7
RTC_ALRMAR_MNU 8:11
RTC_ALRMAR_MNT 12:14
RTC_ALRMAR_MSK2 15
RTC_ALRMAR_HU 16:19
RTC_ALRMAR_HT 20:21
RTC_ALRMAR_PM 22
RTC_ALRMAR_MSK3 23
RTC_ALRMAR_DU 24:27
RTC_ALRMAR_DT 28:29
RTC_ALRMAR_WDSEL 30
RTC_ALRMAR_MSK4 31
WPR 0x24 32 RTC write protection register
RTC_WPR_KEY 0:7
SSR 0x28 32 RTC sub second register
RTC_SSR_SS 0:15
SHIFTR 0x2C 32 RTC shift control register
RTC_SHIFTR_SUBFS 0:14
RTC_SHIFTR_ADD1S 31
TSTR 0x30 32 RTC time stamp time register
RTC_TSTR_SU 0:3
RTC_TSTR_ST 4:6
RTC_TSTR_MNU 8:11
RTC_TSTR_MNT 12:14
RTC_TSTR_HU 16:19
RTC_TSTR_HT 20:21
RTC_TSTR_PM 22
TSDR 0x34 32 RTC time stamp date register
RTC_TSDR_DU 0:3
RTC_TSDR_DT 4:5
RTC_TSDR_MU 8:11
RTC_TSDR_MT 12
RTC_TSDR_WDU 13:15
TSSSR 0x38 32 RTC time-stamp sub second register
RTC_TSSSR_SS 0:15
CALR 0x3C 32 RTC calibration register
RTC_CALR_CALM 0:8
RTC_CALR_CALW16 13
RTC_CALR_CALW8 14
RTC_CALR_CALP 15
TAFCR 0x40 32 RTC tamper and alternate function configuration register
RTC_TAFCR_TAMP1E 0
RTC_TAFCR_TAMP1TRG 1
RTC_TAFCR_TAMPIE 2
RTC_TAFCR_TAMP2E 3
RTC_TAFCR_TAMP2TRG 4
RTC_TAFCR_TAMP3E 5
RTC_TAFCR_TAMP3TRG 6
RTC_TAFCR_TAMPTS 7
RTC_TAFCR_TAMPFREQ 8:10
RTC_TAFCR_TAMPFLT 11:12
RTC_TAFCR_TAMPPRCH 13:14
RTC_TAFCR_TAMPPUDIS 15
RTC_TAFCR_PC13VALUE 18
RTC_TAFCR_PC13MODE 19
RTC_TAFCR_PC14VALUE 20
RTC_TAFCR_PC14MODE 21
RTC_TAFCR_PC15VALUE 22
RTC_TAFCR_PC15MODE 23
ALRMASSR 0x44 32 RTC alarm A sub second register
RTC_ALRMASSR_SS 0:14
RTC_ALRMASSR_MASKSS 24:27
BKP0R 0x50 32 RTC backup register 0
BKP1R 0x54 32 RTC backup register 1
BKP2R 0x58 32 RTC backup register 2
BKP3R 0x5C 32 RTC backup register 3
BKP4R 0x60 32 RTC backup register 4

TIM — Таймеры (раздел 13)

Регистр Смещение Бит Назначение
CR1 0x00 32 TIM control register 1
TIM_CR1_CEN 0 Counter enable
TIM_CR1_UDIS 1 Update disable
TIM_CR1_URS 2 Update request source
TIM_CR1_OPM 3 One pulse mode
TIM_CR1_DIR 4 Direction
TIM_CR1_CMS 5:6 CMS[1:0] bits (Center-aligned mode selection)
TIM_CR1_ARPE 7 Auto-reload preload enable
TIM_CR1_CKD 8:9 CKD[1:0] bits (clock division)
CR2 0x04 32 TIM control register 2
TIM_CR2_CCPC 0 Capture/Compare Preloaded Control
TIM_CR2_CCUS 2 Capture/Compare Control Update Selection
TIM_CR2_CCDS 3 Capture/Compare DMA Selection
TIM_CR2_MMS 4:6 MMS[2:0] bits (Master Mode Selection)
TIM_CR2_TI1S 7 TI1 Selection
TIM_CR2_OIS1 8 Output Idle state 1 (OC1 output)
TIM_CR2_OIS1N 9 Output Idle state 1 (OC1N output)
TIM_CR2_OIS2 10 Output Idle state 2 (OC2 output)
TIM_CR2_OIS2N 11 Output Idle state 2 (OC2N output)
TIM_CR2_OIS3 12 Output Idle state 3 (OC3 output)
TIM_CR2_OIS3N 13 Output Idle state 3 (OC3N output)
TIM_CR2_OIS4 14 Output Idle state 4 (OC4 output)
SMCR 0x08 32 TIM slave Mode Control register
TIM_SMCR_SMS 0:2 SMS[2:0] bits (Slave mode selection)
TIM_SMCR_OCCS 3 OCREF clear selection
TIM_SMCR_TS 4:6 TS[2:0] bits (Trigger selection)
TIM_SMCR_MSM 7 Master/slave mode
TIM_SMCR_ETF 8:11 ETF[3:0] bits (External trigger filter)
TIM_SMCR_ETPS 12:13 ETPS[1:0] bits (External trigger prescaler)
TIM_SMCR_ECE 14 External clock enable
TIM_SMCR_ETP 15 External trigger polarity
DIER 0x0C 32 TIM DMA/interrupt enable register
TIM_DIER_UIE 0 Update interrupt enable
TIM_DIER_CC1IE 1 Capture/Compare 1 interrupt enable
TIM_DIER_CC2IE 2 Capture/Compare 2 interrupt enable
TIM_DIER_CC3IE 3 Capture/Compare 3 interrupt enable
TIM_DIER_CC4IE 4 Capture/Compare 4 interrupt enable
TIM_DIER_COMIE 5 COM interrupt enable
TIM_DIER_TIE 6 Trigger interrupt enable
TIM_DIER_BIE 7 Break interrupt enable
TIM_DIER_UDE 8 Update DMA request enable
TIM_DIER_CC1DE 9 Capture/Compare 1 DMA request enable
TIM_DIER_CC2DE 10 Capture/Compare 2 DMA request enable
TIM_DIER_CC3DE 11 Capture/Compare 3 DMA request enable
TIM_DIER_CC4DE 12 Capture/Compare 4 DMA request enable
TIM_DIER_COMDE 13 COM DMA request enable
TIM_DIER_TDE 14 Trigger DMA request enable
SR 0x10 32 TIM status register
TIM_SR_UIF 0 Update interrupt Flag
TIM_SR_CC1IF 1 Capture/Compare 1 interrupt Flag
TIM_SR_CC2IF 2 Capture/Compare 2 interrupt Flag
TIM_SR_CC3IF 3 Capture/Compare 3 interrupt Flag
TIM_SR_CC4IF 4 Capture/Compare 4 interrupt Flag
TIM_SR_COMIF 5 COM interrupt Flag
TIM_SR_TIF 6 Trigger interrupt Flag
TIM_SR_BIF 7 Break interrupt Flag
TIM_SR_CC1OF 9 Capture/Compare 1 Overcapture Flag
TIM_SR_CC2OF 10 Capture/Compare 2 Overcapture Flag
TIM_SR_CC3OF 11 Capture/Compare 3 Overcapture Flag
TIM_SR_CC4OF 12 Capture/Compare 4 Overcapture Flag
EGR 0x14 32 TIM event generation register
TIM_EGR_UG 0 Update Generation
TIM_EGR_CC1G 1 Capture/Compare 1 Generation
TIM_EGR_CC2G 2 Capture/Compare 2 Generation
TIM_EGR_CC3G 3 Capture/Compare 3 Generation
TIM_EGR_CC4G 4 Capture/Compare 4 Generation
TIM_EGR_COMG 5 Capture/Compare Control Update Generation
TIM_EGR_TG 6 Trigger Generation
TIM_EGR_BG 7 Break Generation
CCMR1 0x18 32 TIM capture/compare mode register 1
TIM_CCMR1_CC1S 0:1 CC1S[1:0] bits (Capture/Compare 1 Selection)
TIM_CCMR1_OC1FE 2 Output Compare 1 Fast enable
TIM_CCMR1_IC1PSC 2:3 IC1PSC[1:0] bits (Input Capture 1 Prescaler)
TIM_CCMR1_OC1PE 3 Output Compare 1 Preload enable
TIM_CCMR1_OC1M 4:6 OC1M[2:0] bits (Output Compare 1 Mode)
TIM_CCMR1_IC1F 4:7 IC1F[3:0] bits (Input Capture 1 Filter)
TIM_CCMR1_OC1CE 7 Output Compare 1Clear Enable
TIM_CCMR1_CC2S 8:9 CC2S[1:0] bits (Capture/Compare 2 Selection)
TIM_CCMR1_OC2FE 10 Output Compare 2 Fast enable
TIM_CCMR1_IC2PSC 10:11 IC2PSC[1:0] bits (Input Capture 2 Prescaler)
TIM_CCMR1_OC2PE 11 Output Compare 2 Preload enable
TIM_CCMR1_OC2M 12:14 OC2M[2:0] bits (Output Compare 2 Mode)
TIM_CCMR1_IC2F 12:15 IC2F[3:0] bits (Input Capture 2 Filter)
TIM_CCMR1_OC2CE 15 Output Compare 2 Clear Enable
CCMR2 0x1C 32 TIM capture/compare mode register 2
TIM_CCMR2_CC3S 0:1 CC3S[1:0] bits (Capture/Compare 3 Selection)
TIM_CCMR2_OC3FE 2 Output Compare 3 Fast enable
TIM_CCMR2_IC3PSC 2:3 IC3PSC[1:0] bits (Input Capture 3 Prescaler)
TIM_CCMR2_OC3PE 3 Output Compare 3 Preload enable
TIM_CCMR2_OC3M 4:6 OC3M[2:0] bits (Output Compare 3 Mode)
TIM_CCMR2_IC3F 4:7 IC3F[3:0] bits (Input Capture 3 Filter)
TIM_CCMR2_OC3CE 7 Output Compare 3 Clear Enable
TIM_CCMR2_CC4S 8:9 CC4S[1:0] bits (Capture/Compare 4 Selection)
TIM_CCMR2_OC4FE 10 Output Compare 4 Fast enable
TIM_CCMR2_IC4PSC 10:11 IC4PSC[1:0] bits (Input Capture 4 Prescaler)
TIM_CCMR2_OC4PE 11 Output Compare 4 Preload enable
TIM_CCMR2_OC4M 12:14 OC4M[2:0] bits (Output Compare 4 Mode)
TIM_CCMR2_IC4F 12:15 IC4F[3:0] bits (Input Capture 4 Filter)
TIM_CCMR2_OC4CE 15 Output Compare 4 Clear Enable
CCER 0x20 32 TIM capture/compare enable register
TIM_CCER_CC1E 0 Capture/Compare 1 output enable
TIM_CCER_CC1P 1 Capture/Compare 1 output Polarity
TIM_CCER_CC1NE 2 Capture/Compare 1 Complementary output enable
TIM_CCER_CC1NP 3 Capture/Compare 1 Complementary output Polarity
TIM_CCER_CC2E 4 Capture/Compare 2 output enable
TIM_CCER_CC2P 5 Capture/Compare 2 output Polarity
TIM_CCER_CC2NE 6 Capture/Compare 2 Complementary output enable
TIM_CCER_CC2NP 7 Capture/Compare 2 Complementary output Polarity
TIM_CCER_CC3E 8 Capture/Compare 3 output enable
TIM_CCER_CC3P 9 Capture/Compare 3 output Polarity
TIM_CCER_CC3NE 10 Capture/Compare 3 Complementary output enable
TIM_CCER_CC3NP 11 Capture/Compare 3 Complementary output Polarity
TIM_CCER_CC4E 12 Capture/Compare 4 output enable
TIM_CCER_CC4P 13 Capture/Compare 4 output Polarity
TIM_CCER_CC4NP 15 Capture/Compare 4 Complementary output Polarity
CNT 0x24 32 TIM counter register
TIM_CNT_CNT 0:31 Counter Value
PSC 0x28 32 TIM prescaler register
TIM_PSC_PSC 0:15 Prescaler Value
ARR 0x2C 32 TIM auto-reload register
TIM_ARR_ARR 0:31 actual auto-reload Value
RCR 0x30 32 TIM repetition counter register
TIM_RCR_REP 0:7 Repetition Counter Value
CCR1 0x34 32 TIM capture/compare register 1
TIM_CCR1_CCR1 0:15 Capture/Compare 1 Value
CCR2 0x38 32 TIM capture/compare register 2
TIM_CCR2_CCR2 0:15 Capture/Compare 2 Value
CCR3 0x3C 32 TIM capture/compare register 3
TIM_CCR3_CCR3 0:15 Capture/Compare 3 Value
CCR4 0x40 32 TIM capture/compare register 4
TIM_CCR4_CCR4 0:15 Capture/Compare 4 Value
BDTR 0x44 32 TIM break and dead-time register
TIM_BDTR_DTG 0:7 DTG[0:7] bits (Dead-Time Generator set-up)
TIM_BDTR_LOCK 8:9 LOCK[1:0] bits (Lock Configuration)
TIM_BDTR_OSSI 10 Off-State Selection for Idle mode
TIM_BDTR_OSSR 11 Off-State Selection for Run mode
TIM_BDTR_BKE 12 Break enable
TIM_BDTR_BKP 13 Break Polarity
TIM_BDTR_AOE 14 Automatic Output enable
TIM_BDTR_MOE 15 Main Output enable
DCR 0x48 32 TIM DMA control register
TIM_DCR_DBA 0:4 DBA[4:0] bits (DMA Base Address)
TIM_DCR_DBL 8:12 DBL[4:0] bits (DMA Burst Length)
DMAR 0x4C 32 TIM DMA address for full transfer register
TIM_DMAR_DMAB 0:15 DMA register for burst accesses
OR 0x50 32 TIM option register

ADC — АЦП (раздел 14)

Регистр Смещение Бит Назначение
ISR 0x00 32 ADC interrupt and status register
ADC_ISR_ADRDY 0 ADC ready flag
ADC_ISR_EOSMP 1 ADC group regular end of sampling flag
ADC_ISR_EOC 2 ADC group regular end of unitary conversion flag
ADC_ISR_EOS 3 ADC group regular end of sequence conversions flag
ADC_ISR_OVR 4 ADC group regular overrun flag
ADC_ISR_AWD1 7 ADC analog watchdog 1 flag
IER 0x04 32 ADC interrupt enable register
ADC_IER_ADRDYIE 0 ADC ready interrupt
ADC_IER_EOSMPIE 1 ADC group regular end of sampling interrupt
ADC_IER_EOCIE 2 ADC group regular end of unitary conversion interrupt
ADC_IER_EOSIE 3 ADC group regular end of sequence conversions interrupt
ADC_IER_OVRIE 4 ADC group regular overrun interrupt
ADC_IER_AWD1IE 7 ADC analog watchdog 1 interrupt
CR 0x08 32 ADC control register
ADC_CR_ADEN 0 ADC enable
ADC_CR_ADDIS 1 ADC disable
ADC_CR_ADSTART 2 ADC group regular conversion start
ADC_CR_ADSTP 4 ADC group regular conversion stop
ADC_CR_ADCAL 31 ADC calibration
CFGR1 0x0C 32 ADC configuration register 1
ADC_CFGR1_DMAEN 0 ADC DMA transfer enable
ADC_CFGR1_DMACFG 1 ADC DMA transfer configuration
ADC_CFGR1_SCANDIR 2 ADC group regular sequencer scan direction
ADC_CFGR1_RES 3:4 ADC data resolution
ADC_CFGR1_ALIGN 5 ADC data alignement
ADC_CFGR1_EXTSEL 6:8 ADC group regular external trigger source
ADC_CFGR1_EXTEN 10:11 ADC group regular external trigger polarity
ADC_CFGR1_OVRMOD 12 ADC group regular overrun configuration
ADC_CFGR1_CONT 13 ADC group regular continuous conversion mode
ADC_CFGR1_WAIT 14 ADC low power auto wait
ADC_CFGR1_AUTOFF 15 ADC low power auto power off
ADC_CFGR1_DISCEN 16 ADC group regular sequencer discontinuous mode
ADC_CFGR1_AWD1SGL 22 ADC analog watchdog 1 monitoring a single channel or all channels
ADC_CFGR1_AWD1EN 23 ADC analog watchdog 1 enable on scope ADC group regular
ADC_CFGR1_AWD1CH 26:30 ADC analog watchdog 1 monitored channel selection
CFGR2 0x10 32 ADC configuration register 2
ADC_CFGR2_CKMODE 30:31 ADC clock source and prescaler (prescaler only for clock source synchronous)
SMPR 0x14 32 ADC sampling time register
ADC_SMPR_SMP 0:2 ADC group of channels sampling time 2
TR 0x20 32 ADC analog watchdog 1 threshold register
CHSELR 0x28 32 ADC group regular sequencer register
ADC_CHSELR_CHSEL 0:18 ADC group regular sequencer channels, available when ADC_CFGR1_CHSELRMOD is reset
ADC_CHSELR_CHSEL0 0 ADC group regular sequencer channel 0, available when ADC_CFGR1_CHSELRMOD is reset
ADC_CHSELR_CHSEL1 1 ADC group regular sequencer channel 1, available when ADC_CFGR1_CHSELRMOD is reset
ADC_CHSELR_CHSEL2 2 ADC group regular sequencer channel 2, available when ADC_CFGR1_CHSELRMOD is reset
ADC_CHSELR_CHSEL3 3 ADC group regular sequencer channel 3, available when ADC_CFGR1_CHSELRMOD is reset
ADC_CHSELR_CHSEL4 4 ADC group regular sequencer channel 4, available when ADC_CFGR1_CHSELRMOD is reset
ADC_CHSELR_CHSEL5 5 ADC group regular sequencer channel 5, available when ADC_CFGR1_CHSELRMOD is reset
ADC_CHSELR_CHSEL6 6 ADC group regular sequencer channel 6, available when ADC_CFGR1_CHSELRMOD is reset
ADC_CHSELR_CHSEL7 7 ADC group regular sequencer channel 7, available when ADC_CFGR1_CHSELRMOD is reset
ADC_CHSELR_CHSEL8 8 ADC group regular sequencer channel 8, available when ADC_CFGR1_CHSELRMOD is reset
ADC_CHSELR_CHSEL9 9 ADC group regular sequencer channel 9, available when ADC_CFGR1_CHSELRMOD is reset
ADC_CHSELR_CHSEL10 10 ADC group regular sequencer channel 10, available when ADC_CFGR1_CHSELRMOD is reset
ADC_CHSELR_CHSEL11 11 ADC group regular sequencer channel 11, available when ADC_CFGR1_CHSELRMOD is reset
ADC_CHSELR_CHSEL12 12 ADC group regular sequencer channel 12, available when ADC_CFGR1_CHSELRMOD is reset
ADC_CHSELR_CHSEL13 13 ADC group regular sequencer channel 13, available when ADC_CFGR1_CHSELRMOD is reset
ADC_CHSELR_CHSEL14 14 ADC group regular sequencer channel 14, available when ADC_CFGR1_CHSELRMOD is reset
ADC_CHSELR_CHSEL15 15 ADC group regular sequencer channel 15, available when ADC_CFGR1_CHSELRMOD is reset
ADC_CHSELR_CHSEL16 16 ADC group regular sequencer channel 16, available when ADC_CFGR1_CHSELRMOD is reset
ADC_CHSELR_CHSEL17 17 ADC group regular sequencer channel 17, available when ADC_CFGR1_CHSELRMOD is reset
ADC_CHSELR_CHSEL18 18 ADC group regular sequencer channel 18, available when ADC_CFGR1_CHSELRMOD is reset
DR 0x40 32 ADC group regular data register
ADC_DR_DATA 0:15 ADC group regular conversion data

ADC_Common — АЦП: общие регистры (раздел 14)

Регистр Смещение Бит Назначение
CCR 0x00 32 ADC common configuration register
ADC_CCR_VREFEN 22 ADC internal path to VrefInt enable
ADC_CCR_TSEN 23 ADC internal path to temperature sensor enable
ADC_CCR_VBATEN 24 ADC internal path to battery voltage enable

DAC — ЦАП (раздел 15)

Регистр Смещение Бит Назначение
CR 0x00 32 DAC control register
DAC_CR_EN1 0 DAC channel1 enable
DAC_CR_BOFF1 1 DAC channel1 output buffer disable
DAC_CR_TEN1 2 DAC channel1 Trigger enable
DAC_CR_TSEL1 3:5 TSEL1[2:0] (DAC channel1 Trigger selection)
DAC_CR_WAVE1 6:7 WAVE1[1:0] (DAC channel1 noise/triangle wave generation enable)
DAC_CR_MAMP1 8:11 MAMP1[3:0] (DAC channel1 Mask/Amplitude selector)
DAC_CR_DMAEN1 12 DAC channel1 DMA enable
DAC_CR_DMAUDRIE1 13 DAC channel1 DMA Underrun Interrupt enable
DAC_CR_EN2 16 DAC channel2 enable
DAC_CR_BOFF2 17 DAC channel2 output buffer disable
DAC_CR_TEN2 18 DAC channel2 Trigger enable
DAC_CR_TSEL2 19:21 TSEL2[2:0] (DAC channel2 Trigger selection)
DAC_CR_WAVE2 22:23 WAVE2[1:0] (DAC channel2 noise/triangle wave generation enable)
DAC_CR_MAMP2 24:27 MAMP2[3:0] (DAC channel2 Mask/Amplitude selector)
DAC_CR_DMAEN2 28 DAC channel2 DMA enabled
DAC_CR_DMAUDRIE2 29 DAC channel2 DMA Underrun Interrupt enable
SWTRIGR 0x04 32 DAC software trigger register
DAC_SWTRIGR_SWTRIG1 0 DAC channel1 software trigger
DAC_SWTRIGR_SWTRIG2 1 DAC channel2 software trigger
DHR12R1 0x08 32 DAC channel1 12-bit right-aligned data holding register
DAC_DHR12R1_DACC1DHR 0:11 DAC channel1 12-bit Right aligned data
DHR12L1 0x0C 32 DAC channel1 12-bit left aligned data holding register
DAC_DHR12L1_DACC1DHR 4:15 DAC channel1 12-bit Left aligned data
DHR8R1 0x10 32 DAC channel1 8-bit right aligned data holding register
DAC_DHR8R1_DACC1DHR 0:7 DAC channel1 8-bit Right aligned data
DHR12R2 0x14 32 DAC channel2 12-bit right aligned data holding register
DAC_DHR12R2_DACC2DHR 0:11 DAC channel2 12-bit Right aligned data
DHR12L2 0x18 32 DAC channel2 12-bit left aligned data holding register
DAC_DHR12L2_DACC2DHR 4:15 DAC channel2 12-bit Left aligned data
DHR8R2 0x1C 32 DAC channel2 8-bit right-aligned data holding register
DAC_DHR8R2_DACC2DHR 0:7 DAC channel2 8-bit Right aligned data
DHR12RD 0x20 32 Dual DAC 12-bit right-aligned data holding register
DAC_DHR12RD_DACC1DHR 0:11 DAC channel1 12-bit Right aligned data
DAC_DHR12RD_DACC2DHR 16:27 DAC channel2 12-bit Right aligned data
DHR12LD 0x24 32 DUAL DAC 12-bit left aligned data holding register
DAC_DHR12LD_DACC1DHR 4:15 DAC channel1 12-bit Left aligned data
DAC_DHR12LD_DACC2DHR 20:31 DAC channel2 12-bit Left aligned data
DHR8RD 0x28 32 DUAL DAC 8-bit right aligned data holding register
DAC_DHR8RD_DACC1DHR 0:7 DAC channel1 8-bit Right aligned data
DAC_DHR8RD_DACC2DHR 8:15 DAC channel2 8-bit Right aligned data
DOR1 0x2C 32 DAC channel1 data output register
DAC_DOR1_DACC1DOR 0:11 DAC channel1 data output
DOR2 0x30 32 DAC channel2 data output register
DAC_DOR2_DACC2DOR 0:11 DAC channel2 data output
SR 0x34 32 DAC status register
DAC_SR_DMAUDR1 13 DAC channel1 DMA underrun flag
DAC_SR_DMAUDR2 29 DAC channel2 DMA underrun flag

COMP — Компаратор (раздел 44)

Регистр Смещение Бит Назначение
CSR 0x00 16 COMP control and status register
COMP_CSR_COMP1EN 0 COMP1 enable
COMP_CSR_COMPxEN 0 COMPx enable
COMP_CSR_COMP1SW1 1 COMP1 SW1 switch control
COMP_CSR_COMP1MODE 2:3 COMP1 power mode
COMP_CSR_COMPxMODE 2:3 COMPx power mode
COMP_CSR_COMP1INSEL 4:6 COMP1 inverting input select
COMP_CSR_COMPxINSEL 4:6 COMPx inverting input select
COMP_CSR_COMP1OUTSEL 8:10 COMP1 output select
COMP_CSR_COMPxOUTSEL 8:10 COMPx output select
COMP_CSR_COMP1POL 11 COMP1 output polarity
COMP_CSR_COMPxPOL 11 COMPx output polarity
COMP_CSR_COMP1HYST 12:13 COMP1 hysteresis
COMP_CSR_COMPxHYST 12:13 COMPx hysteresis
COMP_CSR_COMP1OUT 14 COMP1 output level
COMP_CSR_COMPxOUT 14 COMPx output level
COMP_CSR_COMP1LOCK 15 COMP1 lock
COMP_CSR_COMPxLOCK 15 COMPx lock
COMP_CSR_COMP2EN 16 COMP2 enable
COMP_CSR_COMP2MODE 18:19 COMP2 power mode
COMP_CSR_COMP2INSEL 20:22 COMP2 inverting input select
COMP_CSR_WNDWEN 23 COMPx window mode. Bit intended to be used with COMP common instance (COMP_Common_TypeDef)
COMP_CSR_COMP2OUTSEL 24:26 COMP2 output select
COMP_CSR_COMP2POL 27 COMP2 output polarity
COMP_CSR_COMP2HYST 28:29 COMP2 hysteresis
COMP_CSR_COMP2OUT 30 COMP2 output level
COMP_CSR_COMP2LOCK 31 COMP2 lock

USART — UART / USART / LPUART (раздел 16)

Регистр Смещение Бит Назначение
CR1 0x00 32 USART Control register 1
USART_CR1_UE 0 USART Enable
USART_CR1_UESM 1 USART Enable in STOP Mode
USART_CR1_RE 2 Receiver Enable
USART_CR1_TE 3 Transmitter Enable
USART_CR1_IDLEIE 4 IDLE Interrupt Enable
USART_CR1_RXNEIE 5 RXNE Interrupt Enable
USART_CR1_TCIE 6 Transmission Complete Interrupt Enable
USART_CR1_TXEIE 7 TXE Interrupt Enable
USART_CR1_PEIE 8 PE Interrupt Enable
USART_CR1_PS 9 Parity Selection
USART_CR1_PCE 10 Parity Control Enable
USART_CR1_WAKE 11 Receiver Wakeup method
USART_CR1_M0 12 Word length bit 0
USART_CR1_M 12:28 [M1:M0] Word length
USART_CR1_MME 13 Mute Mode Enable
USART_CR1_CMIE 14 Character match interrupt enable
USART_CR1_OVER8 15 Oversampling by 8-bit or 16-bit mode
USART_CR1_DEDT 16:20 DEDT[4:0] bits (Driver Enable Deassertion Time)
USART_CR1_DEAT 21:25 DEAT[4:0] bits (Driver Enable Assertion Time)
USART_CR1_RTOIE 26 Receive Time Out interrupt enable
USART_CR1_EOBIE 27 End of Block interrupt enable
USART_CR1_M1 28 Word length bit 1
CR2 0x04 32 USART Control register 2
USART_CR2_ADDM7 4 7-bit or 4-bit Address Detection
USART_CR2_LBDL 5 LIN Break Detection Length
USART_CR2_LBDIE 6 LIN Break Detection Interrupt Enable
USART_CR2_LBCL 8 Last Bit Clock pulse
USART_CR2_CPHA 9 Clock Phase
USART_CR2_CPOL 10 Clock Polarity
USART_CR2_CLKEN 11 Clock Enable
USART_CR2_STOP 12:13 STOP[1:0] bits (STOP bits)
USART_CR2_LINEN 14 LIN mode enable
USART_CR2_SWAP 15 SWAP TX/RX pins
USART_CR2_RXINV 16 RX pin active level inversion
USART_CR2_TXINV 17 TX pin active level inversion
USART_CR2_DATAINV 18 Binary data inversion
USART_CR2_MSBFIRST 19 Most Significant Bit First
USART_CR2_ABREN 20 Auto Baud-Rate Enable
USART_CR2_ABRMODE 21:22 ABRMOD[1:0] bits (Auto Baud-Rate Mode)
USART_CR2_RTOEN 23 Receiver Time-Out enable
USART_CR2_ADD 24:31 Address of the USART node
CR3 0x08 32 USART Control register 3
USART_CR3_EIE 0 Error Interrupt Enable
USART_CR3_IREN 1 IrDA mode Enable
USART_CR3_IRLP 2 IrDA Low-Power
USART_CR3_HDSEL 3 Half-Duplex Selection
USART_CR3_NACK 4 SmartCard NACK enable
USART_CR3_SCEN 5 SmartCard mode enable
USART_CR3_DMAR 6 DMA Enable Receiver
USART_CR3_DMAT 7 DMA Enable Transmitter
USART_CR3_RTSE 8 RTS Enable
USART_CR3_CTSE 9 CTS Enable
USART_CR3_CTSIE 10 CTS Interrupt Enable
USART_CR3_ONEBIT 11 One sample bit method enable
USART_CR3_OVRDIS 12 Overrun Disable
USART_CR3_DDRE 13 DMA Disable on Reception Error
USART_CR3_DEM 14 Driver Enable Mode
USART_CR3_DEP 15 Driver Enable Polarity Selection
USART_CR3_SCARCNT 17:19 SCARCNT[2:0] bits (SmartCard Auto-Retry Count)
USART_CR3_WUS 20:21 WUS[1:0] bits (Wake UP Interrupt Flag Selection)
USART_CR3_WUFIE 22 Wake Up Interrupt Enable
BRR 0x0C 32 USART Baud rate register
USART_BRR_DIV_FRACTION 0:3 Fraction of USARTDIV
USART_BRR_DIV_MANTISSA 4:15 Mantissa of USARTDIV
GTPR 0x10 32 USART Guard time and prescaler register
USART_GTPR_PSC 0:7 PSC[7:0] bits (Prescaler value)
USART_GTPR_GT 8:15 GT[7:0] bits (Guard time value)
RTOR 0x14 32 USART Receiver Time Out register
USART_RTOR_RTO 0:23 Receiver Time Out Value
USART_RTOR_BLEN 24:31 Block Length
RQR 0x18 32 USART Request register
USART_RQR_ABRRQ 0 Auto-Baud Rate Request
USART_RQR_SBKRQ 1 Send Break Request
USART_RQR_MMRQ 2 Mute Mode Request
USART_RQR_RXFRQ 3 Receive Data flush Request
USART_RQR_TXFRQ 4 Transmit data flush Request
ISR 0x1C 32 USART Interrupt and status register
USART_ISR_PE 0 Parity Error
USART_ISR_FE 1 Framing Error
USART_ISR_NE 2 Noise detected Flag
USART_ISR_ORE 3 OverRun Error
USART_ISR_IDLE 4 IDLE line detected
USART_ISR_RXNE 5 Read Data Register Not Empty
USART_ISR_TC 6 Transmission Complete
USART_ISR_TXE 7 Transmit Data Register Empty
USART_ISR_LBDF 8 LIN Break Detection Flag
USART_ISR_CTSIF 9 CTS interrupt flag
USART_ISR_CTS 10 CTS flag
USART_ISR_RTOF 11 Receiver Time Out
USART_ISR_EOBF 12 End Of Block Flag
USART_ISR_ABRE 14 Auto-Baud Rate Error
USART_ISR_ABRF 15 Auto-Baud Rate Flag
USART_ISR_BUSY 16 Busy Flag
USART_ISR_CMF 17 Character Match Flag
USART_ISR_SBKF 18 Send Break Flag
USART_ISR_RWU 19 Receive Wake Up from mute mode Flag
USART_ISR_WUF 20 Wake Up from stop mode Flag
USART_ISR_TEACK 21 Transmit Enable Acknowledge Flag
USART_ISR_REACK 22 Receive Enable Acknowledge Flag
ICR 0x20 32 USART Interrupt flag Clear register
USART_ICR_PECF 0 Parity Error Clear Flag
USART_ICR_FECF 1 Framing Error Clear Flag
USART_ICR_NCF 2 Noise detected Clear Flag
USART_ICR_ORECF 3 OverRun Error Clear Flag
USART_ICR_IDLECF 4 IDLE line detected Clear Flag
USART_ICR_TCCF 6 Transmission Complete Clear Flag
USART_ICR_LBDCF 8 LIN Break Detection Clear Flag
USART_ICR_CTSCF 9 CTS Interrupt Clear Flag
USART_ICR_RTOCF 11 Receiver Time Out Clear Flag
USART_ICR_EOBCF 12 End Of Block Clear Flag
USART_ICR_CMCF 17 Character Match Clear Flag
USART_ICR_WUCF 20 Wake Up from stop mode Clear Flag
RDR 0x24 16 USART Receive Data register
TDR 0x28 16 USART Transmit Data register

I2C — I²C (раздел 17)

Регистр Смещение Бит Назначение
CR1 0x00 32 I2C Control register 1
I2C_CR1_PE 0 Peripheral enable
I2C_CR1_TXIE 1 TX interrupt enable
I2C_CR1_RXIE 2 RX interrupt enable
I2C_CR1_ADDRIE 3 Address match interrupt enable
I2C_CR1_NACKIE 4 NACK received interrupt enable
I2C_CR1_STOPIE 5 STOP detection interrupt enable
I2C_CR1_TCIE 6 Transfer complete interrupt enable
I2C_CR1_ERRIE 7 Errors interrupt enable
I2C_CR1_DNF 8:11 Digital noise filter
I2C_CR1_ANFOFF 12 Analog noise filter OFF
I2C_CR1_SWRST 13 Software reset
I2C_CR1_TXDMAEN 14 DMA transmission requests enable
I2C_CR1_RXDMAEN 15 DMA reception requests enable
I2C_CR1_SBC 16 Slave byte control
I2C_CR1_NOSTRETCH 17 Clock stretching disable
I2C_CR1_WUPEN 18 Wakeup from STOP enable
I2C_CR1_GCEN 19 General call enable
I2C_CR1_SMBHEN 20 SMBus host address enable
I2C_CR1_SMBDEN 21 SMBus device default address enable
I2C_CR1_ALERTEN 22 SMBus alert enable
I2C_CR1_PECEN 23 PEC enable
CR2 0x04 32 I2C Control register 2
I2C_CR2_SADD 0:9 Slave address (master mode)
I2C_CR2_RD_WRN 10 Transfer direction (master mode)
I2C_CR2_ADD10 11 10-bit addressing mode (master mode)
I2C_CR2_HEAD10R 12 10-bit address header only read direction (master mode)
I2C_CR2_START 13 START generation
I2C_CR2_STOP 14 STOP generation (master mode)
I2C_CR2_NACK 15 NACK generation (slave mode)
I2C_CR2_NBYTES 16:23 Number of bytes
I2C_CR2_RELOAD 24 NBYTES reload mode
I2C_CR2_AUTOEND 25 Automatic end mode (master mode)
I2C_CR2_PECBYTE 26 Packet error checking byte
OAR1 0x08 32 I2C Own address 1 register
I2C_OAR1_OA1 0:9 Interface own address 1
I2C_OAR1_OA1MODE 10 Own address 1 10-bit mode
I2C_OAR1_OA1EN 15 Own address 1 enable
OAR2 0x0C 32 I2C Own address 2 register
I2C_OAR2_OA2 1:7 Interface own address 2
I2C_OAR2_OA2MSK 8:10 Own address 2 masks
I2C_OAR2_OA2MASK01 8 OA2[1] is masked, Only OA2[7:2] are compared
I2C_OAR2_OA2MASK03 8:9 OA2[3:1] is masked, Only OA2[7:4] are compared
I2C_OAR2_OA2MASK05 8:10 OA2[5:1] is masked, Only OA2[7:6] are compared
I2C_OAR2_OA2MASK07 8:10 OA2[7:1] is masked, No comparison is done
I2C_OAR2_OA2MASK02 9 OA2[2:1] is masked, Only OA2[7:3] are compared
I2C_OAR2_OA2MASK06 9:10 OA2[6:1] is masked, Only OA2[7] are compared
I2C_OAR2_OA2MASK04 10 OA2[4:1] is masked, Only OA2[7:5] are compared
I2C_OAR2_OA2EN 15 Own address 2 enable
TIMINGR 0x10 32 I2C Timing register
I2C_TIMINGR_SCLL 0:7 SCL low period (master mode)
I2C_TIMINGR_SCLH 8:15 SCL high period (master mode)
I2C_TIMINGR_SDADEL 16:19 Data hold time
I2C_TIMINGR_SCLDEL 20:23 Data setup time
I2C_TIMINGR_PRESC 28:31 Timings prescaler
TIMEOUTR 0x14 32 I2C Timeout register
I2C_TIMEOUTR_TIMEOUTA 0:11 Bus timeout A
I2C_TIMEOUTR_TIDLE 12 Idle clock timeout detection
I2C_TIMEOUTR_TIMOUTEN 15 Clock timeout enable
I2C_TIMEOUTR_TIMEOUTB 16:27 Bus timeout B
I2C_TIMEOUTR_TEXTEN 31 Extended clock timeout enable
ISR 0x18 32 I2C Interrupt and status register
I2C_ISR_TXE 0 Transmit data register empty
I2C_ISR_TXIS 1 Transmit interrupt status
I2C_ISR_RXNE 2 Receive data register not empty
I2C_ISR_ADDR 3 Address matched (slave mode)
I2C_ISR_NACKF 4 NACK received flag
I2C_ISR_STOPF 5 STOP detection flag
I2C_ISR_TC 6 Transfer complete (master mode)
I2C_ISR_TCR 7 Transfer complete reload
I2C_ISR_BERR 8 Bus error
I2C_ISR_ARLO 9 Arbitration lost
I2C_ISR_OVR 10 Overrun/Underrun
I2C_ISR_PECERR 11 PEC error in reception
I2C_ISR_TIMEOUT 12 Timeout or Tlow detection flag
I2C_ISR_ALERT 13 SMBus alert
I2C_ISR_BUSY 15 Bus busy
I2C_ISR_DIR 16 Transfer direction (slave mode)
I2C_ISR_ADDCODE 17:23 Address match code (slave mode)
ICR 0x1C 32 I2C Interrupt clear register
I2C_ICR_ADDRCF 3 Address matched clear flag
I2C_ICR_NACKCF 4 NACK clear flag
I2C_ICR_STOPCF 5 STOP detection clear flag
I2C_ICR_BERRCF 8 Bus error clear flag
I2C_ICR_ARLOCF 9 Arbitration lost clear flag
I2C_ICR_OVRCF 10 Overrun/Underrun clear flag
I2C_ICR_PECCF 11 PAC error clear flag
I2C_ICR_TIMOUTCF 12 Timeout clear flag
I2C_ICR_ALERTCF 13 Alert clear flag
PECR 0x20 32 I2C PEC register
I2C_PECR_PEC 0:7 PEC register
RXDR 0x24 32 I2C Receive data register
I2C_RXDR_RXDATA 0:7 8-bit receive data
TXDR 0x28 32 I2C Transmit data register
I2C_TXDR_TXDATA 0:7 8-bit transmit data

SPI — SPI / I²S (раздел 18)

Регистр Смещение Бит Назначение
CR1 0x00 32 SPI Control register 1 (not used in I2S mode)
SPI_CR1_CPHA 0 Clock Phase
SPI_CR1_CPOL 1 Clock Polarity
SPI_CR1_MSTR 2 Master Selection
SPI_CR1_BR 3:5 BR[2:0] bits (Baud Rate Control)
SPI_CR1_SPE 6 SPI Enable
SPI_CR1_LSBFIRST 7 Frame Format
SPI_CR1_SSI 8 Internal slave select
SPI_CR1_SSM 9 Software slave management
SPI_CR1_RXONLY 10 Receive only
SPI_CR1_CRCL 11 CRC Length
SPI_CR1_CRCNEXT 12 Transmit CRC next
SPI_CR1_CRCEN 13 Hardware CRC calculation enable
SPI_CR1_BIDIOE 14 Output enable in bidirectional mode
SPI_CR1_BIDIMODE 15 Bidirectional data mode enable
CR2 0x04 32 SPI Control register 2
SPI_CR2_RXDMAEN 0 Rx Buffer DMA Enable
SPI_CR2_TXDMAEN 1 Tx Buffer DMA Enable
SPI_CR2_SSOE 2 SS Output Enable
SPI_CR2_NSSP 3 NSS pulse management Enable
SPI_CR2_FRF 4 Frame Format Enable
SPI_CR2_ERRIE 5 Error Interrupt Enable
SPI_CR2_RXNEIE 6 RX buffer Not Empty Interrupt Enable
SPI_CR2_TXEIE 7 Tx buffer Empty Interrupt Enable
SPI_CR2_DS 8:11 DS[3:0] Data Size
SPI_CR2_FRXTH 12 FIFO reception Threshold
SPI_CR2_LDMARX 13 Last DMA transfer for reception
SPI_CR2_LDMATX 14 Last DMA transfer for transmission
SR 0x08 32 SPI Status register
SPI_SR_RXNE 0 Receive buffer Not Empty
SPI_SR_TXE 1 Transmit buffer Empty
SPI_SR_CHSIDE 2 Channel side
SPI_SR_UDR 3 Underrun flag
SPI_SR_CRCERR 4 CRC Error flag
SPI_SR_MODF 5 Mode fault
SPI_SR_OVR 6 Overrun flag
SPI_SR_BSY 7 Busy flag
SPI_SR_FRE 8 TI frame format error
SPI_SR_FRLVL 9:10 FIFO Reception Level
SPI_SR_FTLVL 11:12 FIFO Transmission Level
DR 0x0C 32 SPI data register
SPI_DR_DR 0:31 Data Register
CRCPR 0x10 32 SPI CRC polynomial register (not used in I2S mode)
SPI_CRCPR_CRCPOLY 0:31 CRC polynomial register
RXCRCR 0x14 32 SPI Rx CRC register (not used in I2S mode)
SPI_RXCRCR_RXCRC 0:31 Rx CRC Register
TXCRCR 0x18 32 SPI Tx CRC register (not used in I2S mode)
SPI_TXCRCR_TXCRC 0:31 Tx CRC Register
I2SCFGR 0x1C 32 SPI_I2S configuration register
SPI_I2SCFGR_CHLEN 0 Channel length (number of bits per audio channel)
SPI_I2SCFGR_DATLEN 1:2 DATLEN[1:0] bits (Data length to be transferred)
SPI_I2SCFGR_CKPOL 3 steady state clock polarity
SPI_I2SCFGR_I2SSTD 4:5 I2SSTD[1:0] bits (I2S standard selection)
SPI_I2SCFGR_PCMSYNC 7 PCM frame synchronization
SPI_I2SCFGR_I2SCFG 8:9 I2SCFG[1:0] bits (I2S configuration mode)
SPI_I2SCFGR_I2SE 10 I2S Enable
SPI_I2SCFGR_I2SMOD 11 I2S mode selection
I2SPR 0x20 32 SPI_I2S prescaler register
SPI_I2SPR_I2SDIV 0:7 I2S Linear prescaler
SPI_I2SPR_ODD 8 Odd factor for the prescaler
SPI_I2SPR_MCKOE 9 Master Clock Output Enable

CAN — CAN (раздел 19)

Регистр Смещение Бит Назначение
MCR 0x00 32 CAN master control register
CAN_MCR_INRQ 0 Initialization Request
CAN_MCR_SLEEP 1 Sleep Mode Request
CAN_MCR_TXFP 2 Transmit FIFO Priority
CAN_MCR_RFLM 3 Receive FIFO Locked Mode
CAN_MCR_NART 4 No Automatic Retransmission
CAN_MCR_AWUM 5 Automatic Wakeup Mode
CAN_MCR_ABOM 6 Automatic Bus-Off Management
CAN_MCR_TTCM 7 Time Triggered Communication Mode
CAN_MCR_RESET 15 bxCAN software master reset
MSR 0x04 32 CAN master status register
CAN_MSR_INAK 0 Initialization Acknowledge
CAN_MSR_SLAK 1 Sleep Acknowledge
CAN_MSR_ERRI 2 Error Interrupt
CAN_MSR_WKUI 3 Wakeup Interrupt
CAN_MSR_SLAKI 4 Sleep Acknowledge Interrupt
CAN_MSR_TXM 8 Transmit Mode
CAN_MSR_RXM 9 Receive Mode
CAN_MSR_SAMP 10 Last Sample Point
CAN_MSR_RX 11 CAN Rx Signal
TSR 0x08 32 CAN transmit status register
CAN_TSR_RQCP0 0 Request Completed Mailbox0
CAN_TSR_TXOK0 1 Transmission OK of Mailbox0
CAN_TSR_ALST0 2 Arbitration Lost for Mailbox0
CAN_TSR_TERR0 3 Transmission Error of Mailbox0
CAN_TSR_ABRQ0 7 Abort Request for Mailbox0
CAN_TSR_RQCP1 8 Request Completed Mailbox1
CAN_TSR_TXOK1 9 Transmission OK of Mailbox1
CAN_TSR_ALST1 10 Arbitration Lost for Mailbox1
CAN_TSR_TERR1 11 Transmission Error of Mailbox1
CAN_TSR_ABRQ1 15 Abort Request for Mailbox 1
CAN_TSR_RQCP2 16 Request Completed Mailbox2
CAN_TSR_TXOK2 17 Transmission OK of Mailbox 2
CAN_TSR_ALST2 18 Arbitration Lost for mailbox 2
CAN_TSR_TERR2 19 Transmission Error of Mailbox 2
CAN_TSR_ABRQ2 23 Abort Request for Mailbox 2
CAN_TSR_CODE 24:25 Mailbox Code
CAN_TSR_TME 26:28 TME[2:0] bits
CAN_TSR_TME0 26 Transmit Mailbox 0 Empty
CAN_TSR_TME1 27 Transmit Mailbox 1 Empty
CAN_TSR_TME2 28 Transmit Mailbox 2 Empty
CAN_TSR_LOW 29:31 LOW[2:0] bits
CAN_TSR_LOW0 29 Lowest Priority Flag for Mailbox 0
CAN_TSR_LOW1 30 Lowest Priority Flag for Mailbox 1
CAN_TSR_LOW2 31 Lowest Priority Flag for Mailbox 2
RF0R 0x0C 32 CAN receive FIFO 0 register
CAN_RF0R_FMP0 0:1 FIFO 0 Message Pending
CAN_RF0R_FULL0 3 FIFO 0 Full
CAN_RF0R_FOVR0 4 FIFO 0 Overrun
CAN_RF0R_RFOM0 5 Release FIFO 0 Output Mailbox
RF1R 0x10 32 CAN receive FIFO 1 register
CAN_RF1R_FMP1 0:1 FIFO 1 Message Pending
CAN_RF1R_FULL1 3 FIFO 1 Full
CAN_RF1R_FOVR1 4 FIFO 1 Overrun
CAN_RF1R_RFOM1 5 Release FIFO 1 Output Mailbox
IER 0x14 32 CAN interrupt enable register
CAN_IER_TMEIE 0 Transmit Mailbox Empty Interrupt Enable
CAN_IER_FMPIE0 1 FIFO Message Pending Interrupt Enable
CAN_IER_FFIE0 2 FIFO Full Interrupt Enable
CAN_IER_FOVIE0 3 FIFO Overrun Interrupt Enable
CAN_IER_FMPIE1 4 FIFO Message Pending Interrupt Enable
CAN_IER_FFIE1 5 FIFO Full Interrupt Enable
CAN_IER_FOVIE1 6 FIFO Overrun Interrupt Enable
CAN_IER_EWGIE 8 Error Warning Interrupt Enable
CAN_IER_EPVIE 9 Error Passive Interrupt Enable
CAN_IER_BOFIE 10 Bus-Off Interrupt Enable
CAN_IER_LECIE 11 Last Error Code Interrupt Enable
CAN_IER_ERRIE 15 Error Interrupt Enable
CAN_IER_WKUIE 16 Wakeup Interrupt Enable
CAN_IER_SLKIE 17 Sleep Interrupt Enable
ESR 0x18 32 CAN error status register
CAN_ESR_EWGF 0 Error Warning Flag
CAN_ESR_EPVF 1 Error Passive Flag
CAN_ESR_BOFF 2 Bus-Off Flag
CAN_ESR_LEC 4:6 LEC[2:0] bits (Last Error Code)
CAN_ESR_TEC 16:23 Least significant byte of the 9-bit Transmit Error Counter
CAN_ESR_REC 24:31 Receive Error Counter
BTR 0x1C 32 CAN bit timing register
CAN_BTR_BRP 0:9 Baud Rate Prescaler
CAN_BTR_TS1 16:19 Time Segment 1
CAN_BTR_TS2 20:22 Time Segment 2
CAN_BTR_SJW 24:25 Resynchronization Jump Width
CAN_BTR_LBKM 30 Loop Back Mode (Debug)
CAN_BTR_SILM 31 Silent Mode
FMR 0x200 32 CAN filter master register
CAN_FMR_FINIT 0 Filter Init Mode
CAN_FMR_CAN2SB 8:13 CAN2 start bank
FM1R 0x204 32 CAN filter mode register
CAN_FM1R_FBM 0:27 Filter Mode
CAN_FM1R_FBM0 0 Filter Init Mode bit 0
CAN_FM1R_FBM1 1 Filter Init Mode bit 1
CAN_FM1R_FBM2 2 Filter Init Mode bit 2
CAN_FM1R_FBM3 3 Filter Init Mode bit 3
CAN_FM1R_FBM4 4 Filter Init Mode bit 4
CAN_FM1R_FBM5 5 Filter Init Mode bit 5
CAN_FM1R_FBM6 6 Filter Init Mode bit 6
CAN_FM1R_FBM7 7 Filter Init Mode bit 7
CAN_FM1R_FBM8 8 Filter Init Mode bit 8
CAN_FM1R_FBM9 9 Filter Init Mode bit 9
CAN_FM1R_FBM10 10 Filter Init Mode bit 10
CAN_FM1R_FBM11 11 Filter Init Mode bit 11
CAN_FM1R_FBM12 12 Filter Init Mode bit 12
CAN_FM1R_FBM13 13 Filter Init Mode bit 13
CAN_FM1R_FBM14 14 Filter Init Mode bit 14
CAN_FM1R_FBM15 15 Filter Init Mode bit 15
CAN_FM1R_FBM16 16 Filter Init Mode bit 16
CAN_FM1R_FBM17 17 Filter Init Mode bit 17
CAN_FM1R_FBM18 18 Filter Init Mode bit 18
CAN_FM1R_FBM19 19 Filter Init Mode bit 19
CAN_FM1R_FBM20 20 Filter Init Mode bit 20
CAN_FM1R_FBM21 21 Filter Init Mode bit 21
CAN_FM1R_FBM22 22 Filter Init Mode bit 22
CAN_FM1R_FBM23 23 Filter Init Mode bit 23
CAN_FM1R_FBM24 24 Filter Init Mode bit 24
CAN_FM1R_FBM25 25 Filter Init Mode bit 25
CAN_FM1R_FBM26 26 Filter Init Mode bit 26
CAN_FM1R_FBM27 27 Filter Init Mode bit 27
FS1R 0x20C 32 CAN filter scale register
CAN_FS1R_FSC 0:27 Filter Scale Configuration
CAN_FS1R_FSC0 0 Filter Scale Configuration bit 0
CAN_FS1R_FSC1 1 Filter Scale Configuration bit 1
CAN_FS1R_FSC2 2 Filter Scale Configuration bit 2
CAN_FS1R_FSC3 3 Filter Scale Configuration bit 3
CAN_FS1R_FSC4 4 Filter Scale Configuration bit 4
CAN_FS1R_FSC5 5 Filter Scale Configuration bit 5
CAN_FS1R_FSC6 6 Filter Scale Configuration bit 6
CAN_FS1R_FSC7 7 Filter Scale Configuration bit 7
CAN_FS1R_FSC8 8 Filter Scale Configuration bit 8
CAN_FS1R_FSC9 9 Filter Scale Configuration bit 9
CAN_FS1R_FSC10 10 Filter Scale Configuration bit 10
CAN_FS1R_FSC11 11 Filter Scale Configuration bit 11
CAN_FS1R_FSC12 12 Filter Scale Configuration bit 12
CAN_FS1R_FSC13 13 Filter Scale Configuration bit 13
CAN_FS1R_FSC14 14 Filter Scale Configuration bit 14
CAN_FS1R_FSC15 15 Filter Scale Configuration bit 15
CAN_FS1R_FSC16 16 Filter Scale Configuration bit 16
CAN_FS1R_FSC17 17 Filter Scale Configuration bit 17
CAN_FS1R_FSC18 18 Filter Scale Configuration bit 18
CAN_FS1R_FSC19 19 Filter Scale Configuration bit 19
CAN_FS1R_FSC20 20 Filter Scale Configuration bit 20
CAN_FS1R_FSC21 21 Filter Scale Configuration bit 21
CAN_FS1R_FSC22 22 Filter Scale Configuration bit 22
CAN_FS1R_FSC23 23 Filter Scale Configuration bit 23
CAN_FS1R_FSC24 24 Filter Scale Configuration bit 24
CAN_FS1R_FSC25 25 Filter Scale Configuration bit 25
CAN_FS1R_FSC26 26 Filter Scale Configuration bit 26
CAN_FS1R_FSC27 27 Filter Scale Configuration bit 27
FFA1R 0x214 32 CAN filter FIFO assignment register
CAN_FFA1R_FFA 0:27 Filter FIFO Assignment
CAN_FFA1R_FFA0 0 Filter FIFO Assignment bit 0
CAN_FFA1R_FFA1 1 Filter FIFO Assignment bit 1
CAN_FFA1R_FFA2 2 Filter FIFO Assignment bit 2
CAN_FFA1R_FFA3 3 Filter FIFO Assignment bit 3
CAN_FFA1R_FFA4 4 Filter FIFO Assignment bit 4
CAN_FFA1R_FFA5 5 Filter FIFO Assignment bit 5
CAN_FFA1R_FFA6 6 Filter FIFO Assignment bit 6
CAN_FFA1R_FFA7 7 Filter FIFO Assignment bit 7
CAN_FFA1R_FFA8 8 Filter FIFO Assignment bit 8
CAN_FFA1R_FFA9 9 Filter FIFO Assignment bit 9
CAN_FFA1R_FFA10 10 Filter FIFO Assignment bit 10
CAN_FFA1R_FFA11 11 Filter FIFO Assignment bit 11
CAN_FFA1R_FFA12 12 Filter FIFO Assignment bit 12
CAN_FFA1R_FFA13 13 Filter FIFO Assignment bit 13
CAN_FFA1R_FFA14 14 Filter FIFO Assignment bit 14
CAN_FFA1R_FFA15 15 Filter FIFO Assignment bit 15
CAN_FFA1R_FFA16 16 Filter FIFO Assignment bit 16
CAN_FFA1R_FFA17 17 Filter FIFO Assignment bit 17
CAN_FFA1R_FFA18 18 Filter FIFO Assignment bit 18
CAN_FFA1R_FFA19 19 Filter FIFO Assignment bit 19
CAN_FFA1R_FFA20 20 Filter FIFO Assignment bit 20
CAN_FFA1R_FFA21 21 Filter FIFO Assignment bit 21
CAN_FFA1R_FFA22 22 Filter FIFO Assignment bit 22
CAN_FFA1R_FFA23 23 Filter FIFO Assignment bit 23
CAN_FFA1R_FFA24 24 Filter FIFO Assignment bit 24
CAN_FFA1R_FFA25 25 Filter FIFO Assignment bit 25
CAN_FFA1R_FFA26 26 Filter FIFO Assignment bit 26
CAN_FFA1R_FFA27 27 Filter FIFO Assignment bit 27
FA1R 0x21C 32 CAN filter activation register
CAN_FA1R_FACT 0:27 Filter Active
CAN_FA1R_FACT0 0 Filter Active bit 0
CAN_FA1R_FACT1 1 Filter Active bit 1
CAN_FA1R_FACT2 2 Filter Active bit 2
CAN_FA1R_FACT3 3 Filter Active bit 3
CAN_FA1R_FACT4 4 Filter Active bit 4
CAN_FA1R_FACT5 5 Filter Active bit 5
CAN_FA1R_FACT6 6 Filter Active bit 6
CAN_FA1R_FACT7 7 Filter Active bit 7
CAN_FA1R_FACT8 8 Filter Active bit 8
CAN_FA1R_FACT9 9 Filter Active bit 9
CAN_FA1R_FACT10 10 Filter Active bit 10
CAN_FA1R_FACT11 11 Filter Active bit 11
CAN_FA1R_FACT12 12 Filter Active bit 12
CAN_FA1R_FACT13 13 Filter Active bit 13
CAN_FA1R_FACT14 14 Filter Active bit 14
CAN_FA1R_FACT15 15 Filter Active bit 15
CAN_FA1R_FACT16 16 Filter Active bit 16
CAN_FA1R_FACT17 17 Filter Active bit 17
CAN_FA1R_FACT18 18 Filter Active bit 18
CAN_FA1R_FACT19 19 Filter Active bit 19
CAN_FA1R_FACT20 20 Filter Active bit 20
CAN_FA1R_FACT21 21 Filter Active bit 21
CAN_FA1R_FACT22 22 Filter Active bit 22
CAN_FA1R_FACT23 23 Filter Active bit 23
CAN_FA1R_FACT24 24 Filter Active bit 24
CAN_FA1R_FACT25 25 Filter Active bit 25
CAN_FA1R_FACT26 26 Filter Active bit 26
CAN_FA1R_FACT27 27 Filter Active bit 27
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