AK4584_01 Datasheet, PDF (39/53 Pages) Asahi Kasei Microsystems – 24Bit 96kHz Audio CODEC with DIT/DIR

ASAHI KASEI
[AK4584]
Addr
03H
Register Name
Deem and Volume Control
R/W
Default
D7
MSDTO
R/W
0
D6
SMUTE
R/W
0
D5
DZFE
R/W
0
D4
ZCEI
R/W
1
D3
ZTM1
R/W
1
D2
ZTM0
R/W
0
D1
DEM1
R/W
0
D0
DEM0
R/W
1
DEM1-0: De-emphasis Response (see Table 21)
Initial values are “01” (OFF).
ZTM1-0: Zero Crossing Time-out Period Select (see Table 20)
Initial values are “10” (1024/fs).
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.
Initial value is “1” (Enable).
DZFE: Data Zero Detect Enable
0: Disable
1: Enable
Zero detect function can be disabled by the DZFE bit. In this case, DZF pin is always “L”.
Initial value is “0” (Disable).
SMUTE: DAC Input Soft Mute Control
0: Normal operation
1: DAC outputs soft-muted
The soft mute is independent of the output ATT and performed digitally.
MSDTO: SDTO Mute Control
0: Disable
1: Enable
When MSDTO bit is “1”, SDTO outputs “L”. Initial value is “0” (Disable).
MS0118-E-00
- 39 -
2001/11