Some of these chips, though, don’t have native SPI or I2C interfaces; instead, everything is done through a USI, or Universal Serial Interface module. [Jan] found the stock I2C USI module was a ...
The SmartDV Verification IP (VIP) for SSI (Synchronous Serial Interface) is a full-duplex synchronous serial ... The SmartDV VIP for SSI is fully compliant with TM4C123GH6PM SSI module specification ...