[AK4634]
Addr
01H
Register Name
Power Management 2
R/W
D7
0
R/W
0
D6
0
R
0
D5
0
R
0
D4
0
R
0
D3
M/S
R/W
0
D2
0
R
0
D1
MCKO
R/W
0
D0
PMPLL
R/W
0
Default
PMPLL: PLL Block Power Control Select
0: PLL is Power down and External is selected. (default)
1: PLL is Power up and PLL Mode is selected.
MCKO: Master Clock Output Enable
0: “L” Output (default)
1: 256fs Output
M/S: Select Master/ Slave Mode
0: Slave Mode (default)
1: Master Mode
Addr Register Name
02H Signal Select 1
R/W
D7
SPOUTE
R/W
D6
0
R
0
D5
DACS
R/W
0
D4
DACA
R/W
0
D3
MGAIN3
R/W
D2
PMMP
R/W
0
D1
D0
MGAIN2 MGAIN0
R/W
0
R/W
1
Default
0
0
MGAIN3-2: MIC-amp Gain control (Table 20)
MGAIN1 bit is located at D5 bit of 03H. Default: “0001” (+20.0dB)
PMMP: MPI pin Power Control
0: Power down (default)
1: Power up
When PMADC bit is “1”, PMMP bit is enabled.
DACA: Switch Control from DAC to mono line amp
0: OFF (default)
1: ON
When PMAO bit is “1”, DACA bit is enabled. When PMAO bit is “0”, the AOUT pin goes VSS1.
DACS: Switch Control from DAC to Speaker-Amp
0: OFF (default)
1: ON
When DACS bit is “1”, DAC output signal is input to Speaker-Amp.
SPOUTE: Speaker output signal Enable
0: Disable (default)
1: Enable
When SPOUTE bit is “0”, the SPP and SPN pins output VSS3.
When SPOUTE bit is “1”, the SPP and SPN pins output signal.
Rev. 0.5
2007/10
- 63 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
