26. Serial Sound Interface (SSI) Module
Rev.1.00 Jan. 10, 2008 Page 1314 of 1658
REJ09B0261-0100
26.4 Operation

26.4.1 Bus Format

The SSI module can operate as a transmitter or a receiver and can be configured into many serial

bus formats in either mode.

The bus formats can be one of eight major modes as shown in table 26.3.

Table 26.3 Bus Formats of SSI Module

Bus Format
TPMD
CPEN
SCKD
SWSD
EN
MUEN
DIEN
IIEN
OIEN
UIEN
DEL
PDTA
SDTA
SPDP
SWSP
SCKP
SWL[2:0]
DWL[2:0]
CHNL[1:0]
Non-Compressed
Slave Receiver
0 0 0 0
Non-Compressed
Slave Transmitter
1 0 0 0
Non-Compressed
Master Receiver
0 0 1 1
Non-Compressed
Master Transmitter
1 0 1 1
Control bits Configuration bits
Compressed Slave
Receiver
0 1 0/1 0 Control bits 1 Ignored Configu-
ration
bits
Ignored
Compressed Slave
Transmitter Cannot be used
Compressed
Master Receiver
0 1 0/1 1
Compressed
Master Transmitter
1 1 0/1 1
Control bits 1 Ignored Configu-
ration
bits
Ignored