SLAAE56 Application note

4.3 Serial Peripheral Interface (SPI)

MSPM0 and STM32G0 both support serial peripheral interface (SPI). Overall, MSPM0 and STM32G0 SPI support is comparable with the difference listed in #GUID-94B3612E-BC4E-4603-BADD-57C3C6A9E0BE/GUID-1F9BFADB-3531-45AC-B7EB-828FB69EEA14.

Table 4-5 SPI Feature Comparison

Feature	STM32G0x	MSPM0L and MSPM0G
Controller or peripheral operation	Yes	Yes
Data bit width (controller mode)	4 to 16 bit	4 to 16 bit
Data bit width (peripheral mode)	4 to 16 bit	7 to 16 bit
Maximum speed	32 MHz	MSPM0L: 16 MHz
Maximum speed	32 MHz	MSPM0G: 32 MHz
Full-duplex transfers	Yes	Yes
Half-duplex transfer (bidirectional data line)	Yes	No
Simplex transfers (unidirectional data line)	Yes	Yes
Multiple controller capability	Yes	No
Hardware chip select management	Yes (1 peripheral)	Yes (4 peripherals)
Programmable clock polarity and phase	Yes	Yes
Programmable data order with MSB-first or LSB-first shifting	Yes	Yes
SPI format support	Motorola, TI	Motorola, TI, MICROWIRE
Hardware CRC	Yes	No, MSPM0 offers SPI parity mode
TX FIFO depth	Depends on data size	4
RX FIFO depth	Depends on data size	4

Information about SPI code examples can be found in the MSPM0 SDK examples guide