AK4532_04 Datasheet, PDF (11/17 Pages) Asahi Kasei Microsystems – Internet/Network/General Purpose Multimedia Audio CODEC

ASAHI KASEI
[AK4532]
Addr
02
03
08
09
0A
0B
Register Name
Voice Volume Lch
Voice Volume Rch
Line Volume Lch
Line Volume Rch
AUX Volume Lch
AUX Volume Rch
D7
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
D6 D5
D4
GAI4
GAI4
GAI4
GAI4
GAI4
GAI4
D3
GAI3
GAI3
GAI3
GAI3
GAI3
GAI3
D2
GAI2
GAI2
GAI2
GAI2
GAI2
GAI2
D1
GAI1
GAI1
GAI1
GAI1
GAI1
GAI1
D0
GAI0
GAI0
GAI0
GAI0
GAI0
GAI0
MUTE
ATT4:0
Initial
1:
MUTE
0:
No MUTE
32 levels with 2 dB step
00000: 12dB
00110: 0 dB
11111: -50 dB
“0000 0110”(No MUTE & 0dB)
Addr Register Name
D7
D6
10 Output Mixer SW 1
11 Output Mixer SW 2
12 Lch Input Mixer SW 1
13 Rch Input Mixer SW 1
14 Lch Input Mixer SW 2
15 Rch Input Mixer SW 2
D5
D4
D3
D2
D1
D0
LineL LineR
MIC
AUXL AUXR VoiceL VoiceR
LineL LineR
LineL LineR
AUXL AUXR VoiceL
AUXL AUXR VoiceR
ON/OFF of Mixer Switches
0:
OFF
1:
ON
Initial
“000X XX00”
XXX=000: Addr=10,14,15 (All:OFF)
XXX=011: Addr=11(Output Mixer Voice R&L:ON)
XXX=100: Addr=12(Lch Input Mixer Line L :ON)
XXX=010: Addr=13(Rch Input Mixer Line R :ON)
Addr
16
19
Register Name
D7
Reset and Power Down
MIC Amp Gain
D6 D5 D4 D3 D2 D1
PD
D0
RST
MGAIN
RST initializes the contents of all registers except PD and RST registers. When PD pin goes low, RST
register becomes
“1”.
1: Normal Operation
0: Initialize
PD register enables the power down. When PD pin goes low, PD register becomes “1”.
1: Normal Operation
0: Power Down
MGAIN selects the gain of MIC amp. The initial state is “0”.
0: Bypass (0dB)
1: 26 dB
Try to avoid pops and clicks when activating or inactivating this function.
0178-E-02
11
2004/12