SPRUIN7C March 2020 – March 2024 TMS320F280021 , TMS320F280021-Q1 , TMS320F280023 , TMS320F280023-Q1 , TMS320F280023C , TMS320F280025 , TMS320F280025-Q1 , TMS320F280025C , TMS320F280025C-Q1
Uint16 rdata;
Uint16 dummy;
SpiaRegs.SPICTL.bit.TALK = 0; // Disable Transmit path
SpiaRegs.SPITXBUF = dummy; // Send dummy to start tx
// NOTE: because TALK = 0, data does not tx onto SPISIMOA pin
while(SpiaRegs.SPISTS.bit.INT_FLAG !=1) {} // Wait until data received
rdata = SpiaRegs.SPIRXBUF; // Master reads data