USART_MSPIM SPI Comments
XCKn SCK (Functionally identical)
(N/A) SS Not supported by USART in MSPIM
22.8. Register Description
Refer to the USART Register Description.
Related Links
Register Description on page 242
Atmel ATmega644A [DATASHEET]
Atmel-42716C-ATmega644A_Datasheet_Complete-10/2016
257
