ST STM32F31xx

UM1581
Universal synchronous asynchronous receiver
transmitter (USART)
DocID023800 Rev 1
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23 Universal synchronous asynchronous receiver
transmitter (USART)
23.1 USART Firmware driver registers structures
23.1.1 USART_TypeDef
USART_TypeDef is defined in the stm32f30x.h
Data Fields
 __IO uint32_t CR1
 __IO uint32_t CR2
 __IO uint32_t CR3
 __IO uint16_t BRR
 uint16_t RESERVED1
 __IO uint16_t GTPR
 uint16_t RESERVED2
 __IO uint32_t RTOR
 __IO uint16_t RQR
 uint16_t RESERVED3
 __IO uint32_t ISR
 __IO uint32_t ICR
 __IO uint16_t RDR
 uint16_t RESERVED4
 __IO uint16_t TDR
 uint16_t RESERVED5
Field Documentation
 __IO uint32_t USART_TypeDef::CR1
 USART Control register 1, Address offset: 0x00
 __IO uint32_t USART_TypeDef::CR2
 USART Control register 2, Address offset: 0x04
 __IO uint32_t USART_TypeDef::CR3
 USART Control register 3, Address offset: 0x08
 __IO uint16_t USART_TypeDef::BRR
 USART Baud rate register, Address offset: 0x0C
 uint16_t USART_TypeDef::RESERVED1
 Reserved, 0x0E
 __IO uint16_t USART_TypeDef::GTPR
 USART Guard time and prescaler register, Address offset: 0x10
 uint16_t USART_TypeDef::RESERVED2
 Reserved, 0x12
 __IO uint32_t USART_TypeDef::RTOR
 USART Receiver Time Out register, Address offset: 0x14
 __IO uint16_t USART_TypeDef::RQR