Serial peripheral interface (SPI) RM0008
719/1128 DocID13902 Rev 15
Figure 256. MSB Justified 24-bit frame length with CPOL = 0
Figure 257. MSB Justified 16-bit extended to 32-bit packet frame with CPOL = 0
LSB justified standard
This standard is similar to the MSB justified standard (no difference for the 16-bit and 32-bit
full-accuracy frame formats).
Figure 258. LSB justified 16-bit or 32-bit full-accuracy with CPOL = 0
CK
WS
SD
Channel left 32-bit
Channel right
MSB
LSB
8-bit remaining
0 forced
24-bit data
Transmission
Reception
CK
WS
SD
Channel left 32-bit
Channel right
MSB
LSB
16-bit remaining
0 forced
16-bit data
Transmission
Reception
MSB LSB MSB
CK
WS
SD
Channel left
Channel right
May be 16-bit, 32-bit
Transmission
Reception