ST STM32F31xx

UM1581
Controller area network (bxCAN)
DocID023800 Rev 1
105/584
4 Controller area network (bxCAN)
4.1 CAN Firmware driver registers structures
4.1.1 CAN_TypeDef
CAN_TypeDef is defined in the stm32f30x.h
Data Fields
 __IO uint32_t MCR
 __IO uint32_t MSR
 __IO uint32_t TSR
 __IO uint32_t RF0R
 __IO uint32_t RF1R
 __IO uint32_t IER
 __IO uint32_t ESR
 __IO uint32_t BTR
 uint32_t RESERVED0
 CAN_TxMailBox_TypeDef sTxMailBox
 CAN_FIFOMailBox_TypeDef sFIFOMailBox
 uint32_t RESERVED1
 __IO uint32_t FMR
 __IO uint32_t FM1R
 uint32_t RESERVED2
 __IO uint32_t FS1R
 uint32_t RESERVED3
 __IO uint32_t FFA1R
 uint32_t RESERVED4
 __IO uint32_t FA1R
 uint32_t RESERVED5
 CAN_FilterRegister_TypeDef sFilterRegister
Field Documentation
 __IO uint32_t CAN_TypeDef::MCR
 CAN master control register, Address offset: 0x00
 __IO uint32_t CAN_TypeDef::MSR
 CAN master status register, Address offset: 0x04
 __IO uint32_t CAN_TypeDef::TSR
 CAN transmit status register, Address offset: 0x08
 __IO uint32_t CAN_TypeDef::RF0R
 CAN receive FIFO 0 register, Address offset: 0x0C
 __IO uint32_t CAN_TypeDef::RF1R
 CAN receive FIFO 1 register, Address offset: 0x10
 __IO uint32_t CAN_TypeDef::IER
 CAN interrupt enable register, Address offset: 0x14
 __IO uint32_t CAN_TypeDef::ESR
 CAN error status register, Address offset: 0x18