Inter-Integrated Circuit Interface (I2C); I2C Firmware Driver Registers Structures; I2C_Typedef - ST STM32F31xx User Manual

UM1581
13

Inter-integrated circuit interface (I2C)

13.1

I2C Firmware driver registers structures

13.1.1

I2C_TypeDef

I2C_TypeDef is defined in the stm32f30x.h
Data Fields

__IO uint32_t CR1

__IO uint32_t CR2

__IO uint32_t OAR1

__IO uint32_t OAR2

__IO uint32_t TIMINGR

__IO uint32_t TIMEOUTR

__IO uint32_t ISR

__IO uint32_t ICR

__IO uint32_t PECR

__IO uint32_t RXDR

__IO uint32_t TXDR
Field Documentation

__IO uint32_t I2C_TypeDef::CR1


__IO uint32_t I2C_TypeDef::CR2


__IO uint32_t I2C_TypeDef::OAR1


__IO uint32_t I2C_TypeDef::OAR2


__IO uint32_t I2C_TypeDef::TIMINGR


__IO uint32_t I2C_TypeDef::TIMEOUTR


__IO uint32_t I2C_TypeDef::ISR


__IO uint32_t I2C_TypeDef::ICR


__IO uint32_t I2C_TypeDef::PECR


__IO uint32_t I2C_TypeDef::RXDR


__IO uint32_t I2C_TypeDef::TXDR

I2C Control register 1, Address offset: 0x00
I2C Control register 2, Address offset: 0x04
I2C Own address 1 register, Address offset: 0x08
I2C Own address 2 register, Address offset: 0x0C
I2C Timing register, Address offset: 0x10
I2C Timeout register, Address offset: 0x14
I2C Interrupt and status register, Address offset: 0x18
I2C Interrupt clear register, Address offset: 0x1C
I2C PEC register, Address offset: 0x20
I2C Receive data register, Address offset: 0x24
I2C Transmit data register, Address offset: 0x28
DocID023800 Rev 1
Inter-integrated circuit interface (I2C)
247/584