ak4538 AKM Semiconductor, Inc., ak4538 Datasheet - Page 47

• Manufacturer Part Number: ak4538
• Description: 16bit ?? Codec With Mic/hp/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
MS0198-E-01
PSLO: Select LINEOUT
DAHS: DAC to Headphone-amp and MOUT2 Enable
0: Power Save Mode (Default)
1: ON
0: OFF (Default)
1: ON
BEEPL IN
BEEPR IN
When the PSLO bit = “0”, Stereo Line Output is in power save mode and the LOUT+ and ROUT- pins output
0.45 x AVDD voltage.
DAC signal is mixed to Headphone-amp and MOUT2 at the DAHS bit = “1”.
AUXIN+
AUXIN-
BEEPM IN
MIC IN
0dB/+20dB
ATT+DAC
Volume
IPGA
Figure 45. Headphone-amp switch control
ATT
“BPMHP”
“BPSHP”
“MICL”
“DAHS”
“AUXL”
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HPR
HPL
MUTE
MUTE
HPL
HPR
[AK4538]
2003/5