Renesas SH7781 - Manual (Page 1332)

26. Serial Sound Interface (SSI) Module
Rev.1.00 Jan. 10, 2008 Page 1302 of 1658
REJ09B0261-0100
Bit Bit Name
Initial
Value R/W Description
23
22
CHNL1
CHNL0
0
0
R/W
R/W
Channels
These bits indicate the number of channels in each
system word. These bits are ignored if CPEN = 1.
00: 1 channel per system word
01: 2 channels per system word
10: 3 channels per system word
11: 4 channels per system word
21
20
19
DWL2
DWL1
DWL0
0
0
0
R/W
R/W
R/W
Data Word Length
These bits indicate the number of bits in a data word.
These bits are ignored if CPEN = 1.
000: 8 Bits
001: 16 Bits
010: 18 Bits
011: 20 Bits
100: 22 Bits
101: 24 Bits
110: 32 Bits
111: Setting prohibited
18
17
16
SWL2
SWL1
SWL0
0
0
0
R/W
R/W
R/W
System Word Length
These bits indicate the number of bits in a system word.
These bits are ignored if CPEN = 1.
000: 8 Bits
001: 16 Bits
010: 24 Bits
011: 32 Bits
100: 48 Bits
101: 64 Bits
110: 128 Bits
111: 256 Bits
15 SCKD 0 R/W Serial Bit Clock Direction
0: Serial clock input, slave mode
1: Serial clock output, master mode
Note: In non-compressed mode (SSICR.CPEN=0), the
combination of (SCKD, SWSD) = (0, 0) or (1, 1) is
available.