SLAS580E October 2008 – May 2020 MSP430FG477 , MSP430FG478 , MSP430FG479
PRODUCTION DATA.
The USCI modules are used for serial data communication. The USCI module supports synchronous communication protocols like SPI (3-pin or 4-pin), I2C, and asynchronous communication protocols like UART, enhanced UART with automatic baudrate detection, and IrDA.
The USCI_A0 module provides support for SPI (3-pin or 4-pin), UART, enhanced UART and IrDA.
The USCI_B0 module provides support for SPI (3-pin or 4-pin) and I2C.