AK4691EG AKM [Asahi Kasei Microsystems], AK4691EG Datasheet - Page 69

• Manufacturer Part Number: AK4691EG
• Description: 4ch ADC + 2ch DAC with MIC/HP/SPK-AMP
• Manufacturer: AKM [Asahi Kasei Microsystems]

MS0672-E-00
Addr
07H
DACH: Switch Control from DAC to Headphone-Amp
BEEPH: Switch Control from the BEEP pin to Headphone-Amp
HPM: Headphone-Amp Mono Output Select
DACL: Switch Control from DAC to Stereo Line Output
BEEPL: Switch Control from the BEEP pin to Stereo Line Output
DACS: Switch Control from DAC to Speaker-Amp
BEEPS: Switch Control from BEEP pin to Speaker-Amp
SPPSN: Speaker-Amp Power-Save Mode
0: OFF (default)
1: ON
0: OFF (default)
1: ON
0: Stereo (default)
1: Mono
0: OFF (default)
1: ON
0: OFF (default)
1: ON
0: OFF (default)
1: ON
0: OFF (default)
1: ON
0: Power-Save Mode (default)
1: Normal Operation
Register Name
Signal Select 2
When the HPM bit = “1”, (L+R)/2 signals are output to Lch and Rch of the Headphone-Amp. Both PMHPL
and PMHPR bits should be “1” when HPM bit is “1”.
When PMLO bit is “1”, DACL bit is enabled.
When PMLO bit is “1”, BEEPL bit is enabled.
When DACS bit is “1”, DAC output signal is input to Speaker-Amp.
When BEEPS bit is “1”, mono signal is input to Speaker-Amp.
When SPPSN bit is “0”, Speaker-Amp is in power-save mode. In this mode, the SPP pin changes to Hi-Z and
the SPN pin outputs SVDD/2 voltage. When PMSPK bit = “1”, SPPSN bit is enabled. After the PDN pin is set
to “H”, Speaker-Amp is in power-down mode since PMSPK bit is “0”.
Default
R/W
SPPSN
R/W
D7
0
BEEPS
R/W
D6
0
- 69 -
DACS
R/W
D5
0
BEEPL
R/W
D4
0
DACL
R/W
D3
0
HPM
R/W
D2
0
BEEPH
R/W
D1
0
[AK4691]
2007/11
DACH
R/W
D0
0