SPI_TypeDef struct

Serial Peripheral Interface

Syntax

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Summary

Declaration

from stm32f446xx.h:689

typedef struct { __IO uint32_t CR1; __IO uint32_t CR2; __IO uint32_t SR; __IO uint32_t DR; __IO uint32_t CRCPR; __IO uint32_t RXCRCR; __IO uint32_t TXCRCR; __IO uint32_t I2SCFGR; __IO uint32_t I2SPR; } SPI_TypeDef;

Fields

Field

Declared as

Description

SPI_TypeDef::CR1

__IO uint32_t

SPI control register 1 (not used in I2S mode), Address offset: 0x00.

SPI_TypeDef::CR2

__IO uint32_t

SPI control register 2, Address offset: 0x04.

SPI_TypeDef::SR

__IO uint32_t

SPI status register, Address offset: 0x08.

SPI_TypeDef::DR

__IO uint32_t

SPI data register, Address offset: 0x0C.

SPI_TypeDef::CRCPR

__IO uint32_t

SPI CRC polynomial register (not used in I2S mode), Address offset: 0x10.

SPI_TypeDef::RXCRCR

__IO uint32_t

SPI RX CRC register (not used in I2S mode), Address offset: 0x14.

SPI_TypeDef::TXCRCR

__IO uint32_t

SPI TX CRC register (not used in I2S mode), Address offset: 0x18.

SPI_TypeDef::I2SCFGR

__IO uint32_t

SPI_I2S configuration register, Address offset: 0x1C.

SPI_TypeDef::I2SPR

__IO uint32_t

SPI_I2S prescaler register, Address offset: 0x20.

Examples

SPI_TypeDef is referenced by 61 libraries and example projects:

References

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SPI_TypeDef struct

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