ak4537 AKM Semiconductor, Inc., ak4537 Datasheet - Page 48

• Manufacturer Part Number: ak4537
• Description: 16-bit 6 Stereo Codec With Mic/hp/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

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