SPRUJ53B April 2024 – September 2024 TMS320F28P550SJ , TMS320F28P559SJ-Q1
In 3-wire peripheral mode, SPICLKx, SPISTEx, and SPIPOCIx pins must be configured as SPI pins (SPIPICOx pin can be configured as non-SPI pin). Like in controller mode, when transmitting, the peripheral receives the data transmitted and must clear this junk data from the receive buffer.