AK4633 Datasheet, PDF (59/82 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP

ASAHI KASEI
[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 (See 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 (See 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 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 the 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 µP WRITE operation,
ALC1 recovery operation. Default is “00”.
FRSL1-0: ALC First recovery Speed(Table 30)
Default: “00”(4times)
MS0447-E-03
- 59 -
2006/04