
STM32WB55xx STM32WB35xx
Electrical characteristics
Figure 36. SAI master timing waveforms
1/fSCK
SAI_SCK_X
th(FS)
SAI_FS_X
(output)
SAI_SD_X
(transmit)
tv(FS)
SAI_SD_X
(receive)
tsu(SD_MR)
tv(SD_MT)
Slot n
Slot n+2
th(SD_MR)
Slot n
Figure 37. SAI slave timing waveforms
1/fSCK
th(SD_MT)
MS32771V1
SAI_SCK_X
tw(CKH_X)
SAI_FS_X
(input)
SAI_SD_X
(transmit)
tsu(FS)
SAI_SD_X
(receive)
tw(CKL_X)
th(FS)
tsu(SD_SR)
tv(SD_ST)
Slot n
Slot n+2
th(SD_SR)
Slot n
th(SD_ST)
MS32772V1
DS11929 Rev 10
167/193
169