AK4537 Datasheet, PDF (48/76 Pages) Asahi Kasei Microsystems – 16-Bit ΔΣ Stereo CODEC with MIC/HP/SPK-AMP

ASAHI KASEI
[AK4537]
Addr
03H
Register Name
Signal Select 2
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
DAHS PSLO
0
MICL BPSHP BPMHP HPL
HPR
R/W
R/W
RD
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
0
1
1
HPR: Rch of Headphone-Amp Power Control
0: Normal Operation
1: OFF(Default)
HPL: Lch of Headphone-Amp Power Control
0: Normal Operation
1: OFF(Default)
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”.
MICL: IPGA Lch to Stereo Line Output, Headphone-amp and MOUT2 Enable
0: OFF (Default)
1: ON
IPGA Lch signal is mixed to Stereo Line Output, Headphone-amp and MOUT2 at the DAHS bit = “1”.
PSLO: Select LINEOUT
0: OFF. Power-Save-Mode. Output 0.45 x AVDD voltage. (Default)
1: Normal Operation
PSLO bit is enable when PMLO= “1”.
DAHS: DAC to Stereo Line Output, Headphone-amp and MOUT2 Enable
0: OFF (Default)
1: ON
DAC signal is mixed to Stereo Line Output, Headphone-amp and MOUT2 at the DAHS bit = “1”.
DAC
BEEPM
BEEPL
BEEPR
DAHS
BPMHP
HPL
HPL
MUTE
BPSHP
HPR
HPR
MUTE
Figure 46. Headphone-amp switch control
MS0202-E-04
- 48 -
2005/04