Renesas SH7264 User Manual
Section 18 Serial Sound Interface
R01UH0134EJ0400 Rev. 4.00
Page 921 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
Figure 18.5 shows MSB-first left-aligned format, and figure 18.6 shows MSB-first right-
aligned format. Padding is assumed in both cases, but may not be present in a final
implementation if the system word length equals the data word length.
aligned format. Padding is assumed in both cases, but may not be present in a final
implementation if the system word length equals the data word length.
MSB-First Left-Aligned Format
MSB
LSB
MSB
LSB
Next
SSISCK
SSIWS
SSIDATA
SCKP = 0, SWSP = 0, DEL = 1, CHNL = 00, SPDP = 0, SDTA = 0
System word length > data word length
System word length > data word length
System word 1
System word 2
Data word 1
Data word 2
Padding
Padding
Figure 18.5 MSB-First Left-Aligned Format
(Transmitted and Received in the order of Serial Data and Padding Bits)
MSB-First Right-Aligned Format
MSB
LSB
System word 1
System word 2
Data word 1
Data word 2
Padding
Padding
MSB
LSB
Prev.
SSISCK
SSIWS
SSIDATA
SCKP = 0, SWSP = 0, DEL = 1, CHNL = 00, SPDP = 0, SDTA = 1
System word length > data word length
System word length > data word length
Figure 18.6 MSB-First Right-Aligned Format
(Transmitted and Received in the Order of Padding Bits and Serial Data)