SH7764 Datasheet, PDF (738/1752 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 18 Serial Sound Interface (SSI)
SCKP = 0, SWSP = 0, DEL = 0, CHNL = 00, SPDP = 0, SDTA = 0
System word length > data word length
SSISCK
SSIWS
SSIDATA
MSB
LSB
MSB
LSB
Next
Data word 1
Padding
Data word 2
Padding
System word 1
System word 2
Figure 18.3 Philips Format (with Padding)
• Sony Format
Figure 18.4 shows the format used by Sony. Padding is assumed, but may not be present if the
system word length equals the data word length.
SCKP = 0, SWSP = 0, DEL = 1, CHNL = 00, SPDP = 0, SDTA = 0
System word length > data word length
SSISCK
SSIWS
SSIDATA
MSB
LSB
MSB
LSB
Next
Data word 1
Padding
Data word 2
Padding
System word 1
System word 2
Figure 18.4 Sony Format (with Serial Data First, Followed by Padding Bits)
Rev. 1.00 Nov. 22, 2007 Page 682 of 1692
REJ09B0360-0100