SPIxCON0

SPIxCON0

Note:
  1. 1.Do not change this bit when EN = 1.
SPI Control Register 0
  0x01DB 8   1 1 x
Parent topic: Register Definitions: Serial Peripheral Interface

SPIxCON0

Bit  7 6 5 4 3 2 1 0  
  EN         LSBF MST BMODE  
Access  R/W         R/W R/W R/W  
Reset  0         0 0 0  

Bit 7 – EN: SPI Enable

SPI Enable

ValueDescription
1 SPI is enabled
0 SPI is disabled

Bit 2 – LSBF: LSb-First Data Exchange Select(1)

LSb-First Data Exchange Select(1)

ValueDescription
1 Data is exchanged LSb first
0 Data is exchanged MSb first (traditional SPI operation)

Bit 1 – MST: SPI Host Operating Mode Select(1)

SPI Host Operating Mode Select(1)

ValueDescription
1 SPI module operates as the bus host
0 SPI module operates as a bus client

Bit 0 – BMODE: Bit-Length Mode Select(1)

Bit-Length Mode Select(1)

ValueDescription
1 SPIxTWIDTH setting applies to every byte: total bits sent is SPIxTWIDTH*SPIxTCNT, end-of-packet occurs when SPIxTCNT = 0
0 SPIxTWIDTH setting applies only to the last byte exchanged; total bits sent is SPIxTWIDTH + (SPIxTCNT*8)