SWCU192 November 2021 CC1312R7 , CC1352P7 , CC2652P7 , CC2652R7
The Motorola SPI interface is a 4-wire interface where the SSIn_FSS signal behaves as a slave select. The main feature of the Motorola SPI format is that the inactive state and phase of the SSIn_CLK signal can be programmed through the SPO and SPH bits in the SSI:CR0 control register.