AK4687 AKM [Asahi Kasei Microsystems], AK4687 Datasheet - Page 30

• Manufacturer Part Number: AK4687
• Description: Asynchronous Stereo CODEC with Capless Stereo Selector
• Manufacturer: AKM [Asahi Kasei Microsystems]

MS1307-E-00
Addr
Addr
02H
03H
CKS1-0: PORT1 (ADC) Clock Control in Master Mode
DIF1: PORT1 Audio Format Select
SMUTE: Soft Mute control for DAC
DIF21-20: PORT2 Audio Format Select
DEM: DAC De-emphasis Response Control
DFS1-0: PORT2 (DAC) Sampling Speed Control
ACKS: PORT2 (DAC) Auto Setting Mode Control
Default
Default
Register Name
Register Name
R/W
R/W
DAC Clock
AD Clock
See
0: Disable, Manual Setting Mode
1: Enable, Auto Setting Mode (default)
0: Normal Operation (default)
1: LOUT/ROUT outputs soft-muted
See
See
See
See
The MCLK frequency is detected automatically when ACKS bit= “1”. In this case, DFS1-0 bits
settings are ignored. When ACKS bit = “0”, DFS1-0 bits select the sampling speed mode, and the
MCLK frequency is automatically detected in each mode.
Table
Table
Table
Table
Table 16.
9. DFS1-0 bits setting is ignored in Auto Setting Mode (ACKS bit = “1”).
6.
17.
18.
RD
RD
D7
D7
0
0
0
0
ACKS
R/W
RD
D6
D6
0
0
1
DFS1
R/W
RD
D5
D5
- 30 -
0
0
0
DFS0
DIF1
R/W
R/W
D4
D4
0
0
DEM
R/W
RD
D3
D3
0
0
0
DIF21
CKS1
R/W
R/W
D2
D2
1
1
DIF20
CKS0
R/W
R/W
D1
D1
1
0
SMUTE
[AK4687]
R/W
RD
D0
D0
2011/05
0
0
0