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AK4633EN Datasheet, PDF (59/83 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP
[AK4633]
Addr
04H
Register Name
Mode Control 1
Default
D7
PLL3
0
D6
PLL2
0
D5
PLL1
0
D4
PLL0
0
D3
BCKO1
0
D2
BCKO0
0
D1
DIF1
1
D0
DIF0
0
DIF1-0: Audio Interface Format (Table 15)
Default: “10” (MSB justified)
BCKO1-0: Select BICK output frequency at Master Mode (Table 9)
Default: “00” (16fs)
PLL3-0: Select input frequency at PLL mode (Table 4)
Default: “0000” (FCK pin)
Addr
05H
Register Name
Mode Control 2
Default
D7
D6
D5
D4
D3
D2
D1
D0
ADRST FCKO
FS3 MSBS BCKP
FS2
FS1
FS0
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 select sampling frequency at PLL mode and MCKI frequency at EXT mode.
Default: “0000”
BCKP, MSBS: “00” (default) (Table 16)
FCKO: Select FCK output frequency at Master Mode (Table 10)
“0” (default)
ADRST: Select ADC initialization cycle
0: 1059/fs (default)
1: 291/fs
Addr
06H
Register Name
Timer Select
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
0
ZTM1 ZTM0 WTM1 WTM0 RFST1 RFST0
0
0
0
0
0
0
0
0
WTM1-0: ALC1 Recovery Waiting Period (Table 26)
A period of recovery operation when any limiter operation does not occur during ALC1 operation
Default is “00”.
ZTM1-0: ALC1 Zero crossing timeout Period (Table 25)
When the IPGA perform zero crossing or timeout, the IPGA value is changed by the P WRITE operation,
ALC1 recovery operation. Default is “00”.
FRSL1-0: ALC First recovery Speed (Table 30)
Default: “00” (4times)
MS0447-E-06
- 59 -
2015/10