0
SSIClk
SSIFss
SSITx
SSIRx
MSB
LSB
MSB
LSB
S2
S3
S1
8-bit control
4 to 16 bits output data
Figure 8-2. SSI Timing for MICROWIRE Frame Format (FRF = 10), Single Transfer
SSIClk
(SPO = 1)
SSITx
(Controller)
SSIRx
(Peripheral)
LSB
SSIClk
(SPO = 0)
S2
S1
SSIFss
LSB
S3
MSB
MSB
Figure 8-3. SSI Timing for SPI Frame Format (FRF = 00), With SPH = 1
SWRS263A – FEBRUARY 2021 – REVISED JUNE 2022
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