AK4621 AKM [Asahi Kasei Microsystems], AK4621 Datasheet - Page 33

• Manufacturer Part Number: AK4621
• Description: 24-Bit 192kHz Stereo Audio CODEC
• Manufacturer: AKM [Asahi Kasei Microsystems]

MS1258-E-01
Addr
08H
09H
Addr
06H
07H
Addr
03H
DEM1-0: De-emphasis response
HPLN/RN: Left/Right channel Digital High Pass Filter Disable
SMUTE: DAC Input Soft Mute control
DATT7-0: DAC Output Attenuation Level, Linear step.
EATT3-0: DAC Output Extension Attenuation Level; Linear step.
EXTE: Extension DATT Enable
Register Name
Lch Extension DATT Control
Rch Extension DATT Control
00: 44.1kHz
01: OFF (default)
10: 48kHz
11: 32kHz
0: Enable (default)
1: Disable
0: Normal operation (default)
1: DAC outputs soft-muted
0: Disable (default)
1: Enable
Register Name
Lch DATT Control
Rch DATT Control
Register Name
Deem and Volume Control
Default
Default
The soft mute is independent of the output ATT and performed digitally.
Default: 00H (0dB)
Default: FH
Default
DATTL7
DATTR7
D7
1
SMUTE
D7
0
0
0
(Table
D7
0
DATTL6
DATTR6
17)
D6
1
D6
HPRN
0
0
0
D6
0
DATTL5
DATTR5
- 33 -
D5
EXTE
1
D5
HPLN
0
0
D5
0
(Table
DATTR4
DATTL4
D4
12,
1
D4
0
0
0
D4
0
0
(Table
Table
DATTR3
DATTL3
EATTR3
EATTL3
13)
12,
D3
D3
1
1
D3
0
0
Table
DATTL2
DATTR2
EATTL2
EATTR2
13)
D2
D2
1
1
D2
0
0
DATTL1
DATTR1
EATTL1
EATTR1
DEM1
D1
D1
D1
1
1
0
[AK4621]
DATTL0
DATTR0
EATTL0
EATTR0
DEM0
2011/01
D0
D0
D0
1
1
1