AK4648 Datasheet, PDF (87/119 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/HP/SPK-AMP

[AK4648]
Addr
02H
Register Name
Signal Select 1
R/W
Default
D7
D6
D5
D4
D3
SPPSN MINS DACS DACL
0
R/W
R/W
R/W
R/W
RD
0
0
0
0
0
D2
PMMP
R/W
0
D1
D0
0
MGAIN0
RD
R/W
0
1
MGAIN1-0: MIC-Amp Gain Control (Table 22)
MGAIN1 bit is D5 bit of 03H.
PMMP: MPWR pin Power Management
0: Power down: Hi-Z (default)
1: Power up
DACL: Switch Control from DAC to Line Output
0: OFF (default)
1: ON
When PMLO bit is “1”, DACL bit is enabled. When PMLO bit is “0”, the LOUT/ROUT pins go to 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.
MINS: Switch Control from MIN pin to Speaker-Amp
0: OFF (default)
1: ON
When MINS bit is “1”, mono singal is input to Speaker-Amp.
SPPSN: Speaker-Amp Power-Save Mode
0: Power Save Mode (default)
1: Normal Operation
When SPPSN bit is “0”, Speaker-Amp is in power-save mode. In this mode, SPLP/SPRP pins go to Hi-Z and
SPLN/SPRN pins output HVDD/2 voltage. When PMSPL or PMSPR bit is “1”, SPPSN bit is enabled.
MS0625-E-01
- 87 -
2007/06