AK4620A Datasheet, PDF (32/42 Pages) Asahi Kasei Microsystems – 24 BIT 192KHZ AUDIO CODEC WITH IPGA

ASAHI KASEI
[AK4620A]
Addr Register Name
03H Deem and Volume Control
DEFAULT
D7
SMUTE
0
D6
HPRN
0
D5
HPLN
0
D4
ZCEI
1
D3
ZTM1
1
D2
ZTM0
0
D1
DEM1
0
D0
DEM0
1
DEM1-0: De-emphasis response (see Table 3)
00: 44.1kHz
01: OFF (Default)
10: 48kHz
11: 32kHz
ZTM1-0: Zero-crossing timeout period select (see Table 11)
Default: 1024fs
ZCEI: ADC IPGA Zero crossing enable
0: Input PGA gain changes occur immediately
1: Input PGA gain changes occur only on zero-crossing or after timeout. (Default)
HPLN/RN: Left/Right channel Digital High Pass Filter Disable
0: Enable (Default)
1: Disable
SMUTE: DAC Input Soft Mute control
0: Normal operation (Default)
1: DAC outputs soft-muted
The soft mute is independent of the output ATT and performed digitally.
MS0368-E-00
- 32 -
2004/12