
[AK4671] 
MS0666-E-00 
2007/10 
- 142 - 
Addr 
54H 
Register Name 
PCM I/F Control 2 
R/W 
Default 
D7 
D6 
D5 
D4 
D3 
D2 
D1 
D0 
SDOAD 
R/W 
0 
BCKO2 
R/W 
0 
MSBSA
R/W 
0 
BCKPA
R/W 
0 
LAWA1
R/W 
0 
LAWA0 
R/W 
0 
FMTA1
R/W 
0 
FMTA0
R/W 
0 
FMTA1-0: PCM I/F A Format (
Table 84
) 
Default: “00” (Mode 0) 
LAWA1-0: PCM I/F A Mode (
Table 82
) 
Default: “00” (Mode 0) 
 BCKPA: BICKA Polarity of PCM I/F A (
Table 86
) 
“0”:  SDTOA is output by the rising edge (“
↑
”) of BICKA and SDTIA is latched by the falling edge (“
↓
”). (default) 
“1”:  SDTOA is output by the falling edge (“
↓
”) of BICKA and SDTIA is latched by the rising edge (“
↑
”). 
 MSBSA: SYNCA Phase of PCM I/F A (
Table 86
) 
“0”:  The rising edge (“
↑
”) of SYNCA is half clock of BICKA before the channel change. (default) 
“1”:  The rising edge (“
↑
”) of SYNCA is one clock of BICKA before the channel change. 
BCKO2: BICKA/B Output Frequency Select at Master Mode (
Table 77
) 
  0: 16fs2 (default) 
  1: 32fs2 
 SDOAD: SDTOA Disable (
Table 56
) 
“0”:  Enable (default) 
“1”:  Disable (“L”) 
Addr 
Register Name 
D7 
D6 
55H 
PCM I/F Control 3 
SDOBD 
PLLBT3
MSBSB
R/W 
R/W 
R/W 
R/W 
Default 
0 
0 
FMTB1-0: PCM I/F B Format (
Table 85
) 
Default: “00” (Mode 0) 
LAWB1-0: PCM I/F B Mode (
Table 83
) 
Default: “00” (Mode 0) 
 BCKPB: BICKB Polarity of PCM I/F B (
Table 87
) 
“0”:  SDTOB is output by the rising edge (“
↑
”) of BICKB and SDTIB is latched by the falling edge (“
↓
”). (default) 
“1”:  SDTOB is output by the falling edge (“
↓
”) of BICKB and SDTIB is latched by the rising edge (“
↑
”). 
 MSBSB: SYNCB Phase of PCM I/F B (
Table 87
) 
“0”:  The rising edge (“
↑
”) of SYNCB is half clock of BICKB before the channel change. (default) 
“1”:  The rising edge (“
↑
”) of SYNCB is one clock of BICKB before the channel change. 
PLLBT3: PLLBT Reference Clock Select (
Table 76
) 
  PLLBT2-0 bits is D5-3 of Addr=53H. 
  Default: “0000”: SYNCA 
 SDOBD: SDTOB Disable (
Table 58
) 
“0”:  Enable (default) 
“1”:  Disable (“L”) 
D5 
D4 
D3 
D2 
D1 
D0 
BCKPB
R/W 
0 
LAWB1
R/W 
0 
LAWB0 
R/W 
0 
FMTB1
R/W 
0 
FMTB0
R/W 
0 
0