sS 24/11/2012 1. SPI INTERFACE 2. REGISTERS 3. 74HC595 4. SAMPLE CODE USCI Serial Protocols • SPI • Serial Peripheral Interface SPI Master SPI Slave SCLK MOSI MISO 𝑆𝑆 USCI Serial Protocols 1 2 3 4 USCI SPI MODULE MSP430G2553 1 2 3 4 USCI BLOCK DIAGRAM : SPI MODE 1 2 3 4 SPI MASTER MODE UCAxCTL0/UCBxCTL0 UCAxCTL1/UCBxCTL1