AK4640VG Asahi Kasei Microsystems, AK4640VG Datasheet - Page 48
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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: 48 of 76
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ASAHI KASEI
MS0273-E-00
Addr
02H
MOUT2: MOUT2 Output Enable (Mixing = (L+R)/2)
ALCS:
BPMSP: BEEPM to Speaker-amp Enable
BPSSP:
MICM:
DAMO:
PSMO:
MOGN:
0: OFF (Default)
1: ON
0: OFF (Default)
1: ON
0: OFF (Default)
1: ON
0: OFF (Default)
1: ON
0: OFF (Default)
1: ON
0: OFF (Default)
1: ON
0: Power Save Mode (Default)
1: Normal Operation
0: +6dB (Default)
1: −17dB
Register Name
Signal Select 1
When the MOUT2 bit = “0”, the MOUT2 pin outputs VCOM voltage. The MOUT2 pin outputs signal at the
MOUT2 bit = “1”. This bit is valid at the PMSPK bit = “1”. Hi-Z is output at the PMSPK bit = “0”.
ALC2 output signal is mixed to Speaker-amp at the ALCS bit = “1”.
Mono BEEP signal (BEEPM pin) is mixed to Speaker-amp at the BPMSP bit = “1”.
Stereo BEEP signals (BEEPL/BEEPR pins) are mixed to Speaker-amp at the BPSSP bit = “1”.
IPGA output signal is output through Mono Line Output (MOUT+/MOUT−pins) at the MICM bit = “1”.
DAC output signal is output through Mono Line Output (MOUT+/MOUT− pins) at the DAMO bit = “1”.
When the PSMO bit = “0”, Mono Line Output is in power save mode and the MOUT+ and MOUT− pins
output 0.45 x AVDD voltage.
ALC2 to Speaker-amp Enable
BEEPL/BEEPR to Speaker-amp Enable
Switch Control from Mic In to Mono Mixer.
DAC to MOUT+/MOUT− Enable
MOUT+/MOUT− Output Enable (Mixing = (L+R)/2)
Gain control for mono output
Default
R/W
MOGN
R/W
D7
0
PSMO
R/W
D6
0
- 48 -
DAMO
R/W
D5
0
MICM
R/W
D4
0
BPSSP
R/W
D3
0
BPMSP
R/W
D2
0
ALCS
R/W
D1
0
[AK4640]
MOUT2
2004/03
R/W
D0
0
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