AK4635 Datasheet, PDF (69/81 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK/Video-AMP

[AK4635]
Addr
05H
Register Name
Mode Control 2
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
ADRST FCKO
FS3 MSBS BCKP
FS2
FS1
FS0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
0
FS3-0: Setting of Sampling Frequency (Table 5 and Table 6) and MCKI Frequency (Table 11)
These bits are selected to sampling frequency at PLL mode and MCKI frequency at EXT mode.
Default: “0000”
BCKP, MSBS: “00” (default) (Table 17)
FCKO: Select FCK output frequency at Master Mode (Table 10)
Default: “0”
ADRST: Initialization cycle setting of ADC
0: 1059/fs (default)
1: 291/fs
Addr
06H
Register Name
Timer Select
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
WTM2 ZTM1 ZTM0 WTM1 WTM0 RFST1 RFST0
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
0
WTM2-0: ALC1 Recovery Waiting Period (Table 28)
A period of recovery operation when any limiter operation does not occur during the ALC1 operation.
Default is “000”.
ZTM1-0: ALC1, ALC2, IVOL and OVOL Zero crossing timeout Period (Table 27)
The gain is changed by the manual volume controlling (ALC off) or the recovery operation (ALC on) only at
Zero crossing or timeout. The default value is “00”.
RFST1-0 : ALC First recovery Speed (Table 32)
Default: “00” (4times)
Rev. 0.6
- 69 -
2007/10