AK4534 Datasheet, PDF (42/64 Pages) Asahi Kasei Microsystems – 16Bit CODEC with MIC/HP/SPK-AMP

ASAHI KASEI
[AK4534]
Addr
03H
Register Name
Signal Select 2
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
DAHS
0
0
0
BPSHP BPMHP HPL
HPR
R/W
RD
RD
RD
R/W
R/W
R/W
R/W
0
0
0
0
0
0
1
1
HPR: Rch Headphone-amp Disable
0: Normal Operation
1: OFF(Default)
The HPR bit should be always “0” during operation.
HPL: Lch Headphone-amp Disable
0: Normal Operation
1: OFF(Default)
The HPL bit should be always “0” during operation.
BPMHP: BEEPM to Headphone-amp Enable
0: OFF (Default)
1: ON
Mono BEEP signal (BEEPM) is mixed to Headphone-amp at the BPMHP bit = “1”.
BPSHP: BEEPL/BEEPR to Headphone-amp Enable
0: OFF (Default)
1: ON
Stereo BEEP signals (BEEPL/BEEPR) is mixed to Headphone-amp at the BPSHP bit = “1”.
DAHS: DAC to Headphone-amp and MOUT2 Enable
0: OFF (Default)
1: ON
DAC signal is mixed to Headphone-amp and MOUT2 at the DAHS bit = “1”.
DAC
BEEPM
BEEPL
BEEPR
DAHS
BPMHP
HPL
HPL
MUTE
BPSHP
HPR
HPR
MUTE
Figure 30. Headphone-amp switch control
MS0133-E-03
- 42 -
2003/5