AK4643 Datasheet, PDF (75/104 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/HP/RCV/SPK-AMP

ASAHI KASEI
[AK4643]
Addr
02H
Register Name
Signal Select 1
Default
D7
D6
D5
D4
D3
SPPSN MINS DACS DACL
0
0
0
0
0
0
D2
PMMP
0
D1
D0
0
MGAIN0
0
1
MGAIN1-0: MIC-Amp Gain Control (See Table 23)
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 Stereo Line Output or Receiver 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 AVSS.
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 signal 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, SPP pin goes to Hi-Z and SPN
pin is outputs HVDD/2 voltage. When PMSPK bit = “1”, SPPSN bit is enabled.
MS0476-E-01
- 75 -
2006/10