AK4640VG Asahi Kasei Microsystems, AK4640VG Datasheet - Page 49
![no-image](/images/no-image-200.jpg)
AK4640VG
Manufacturer Part Number
AK4640VG
Description
16BIT CODEC WITH MIC /HP/SPK-AMPl
Manufacturer
Asahi Kasei Microsystems
Datasheet
1.AK4640VG.pdf
(76 pages)
- Current page: 49 of 76
- Download datasheet (635Kb)
ASAHI KASEI
MS0273-E-00
Addr
03H
HPR:
HPL:
BPMHP: BEEPM to Headphone-amp Enable
BPSHP:
MICL:
AUXL:
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 (Default)
1: ON
BEEPL
BEEPR
BEEPM
AUXIN+
AUXIN-
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 output signal is mixed to Headphone-amp and MOUT2 at the MICL bit = “1”.
AUX input signal is mixed to Headphone-amp and MOUT2 at the AUXL bit = “1”.
MIC In
Rch of Headphone-Amp Power Control
Lch of Headphone-Amp Power Control
BEEPL/BEEPR to Headphone-amp Enable
IPGA to Headphone-amp and MOUT2 Enable
AUX IN to Stereo Mixer Enable
Default
R/W
0dB/+20dB
ATT+DAC
Volume
DAHS
IPGA
R/W
D7
Figure 40. Speaker-amp switch control
0
DAHS bit
BPMSP bit
BPSSP bit
AUXL bit
ATT
RD
D6
0
0
- 49 -
MICL bit
AUXL
R/W
D5
0
ALC2
MICL
R/W
D4
0
BPSHP
ALCS bit
R/W
D3
0
BPMHP
R/W
D2
1/2
0
1/2
SPK-AMP
HPL
R/W
D1
1
[AK4640]
2004/03
HPR
R/W
D0
1
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