[AK4223]
■ Register Definitions
Addr Register Name
D7
0
0
D6
0
0
D5
VMUTE2
0
D4
VMUTE1
0
D3
0
0
D2
0
0
D1
D0
00H
Control
Default
AMUTE2 AMUTE1
0
0
AMUTE2-1: Audio Output Mute Control (Table 7, Table 8)
0: Normal Operation (default)
1: Mute
VMUTE2-1: Video Output Mute Control (Table 15, Table 16)
0: Normal Operation (default)
1: Mute
Addr Register Name
01H Input Selector Control1
Default
D7
0
0
D6
D5
D4
D3
0
0
D2
D1
D0
ASEL22 ASEL21 ASEL20
ASEL12 ASEL11 ASEL10
0
0
0
0
0
0
ASEL12-10: Audio Input Selector 1 Control (Table 1)
The LOUT1/ROUT2 pin outputs 3.9V (typ., Gain=0dB) at the default setting “000”.
ASEL22-20: Audio Input Selector 2 Control (Table 2)
The LOUT2/ROUT2 pin outputs 3.9V (typ., Gain=0dB) at the default setting “000”.
Addr Register Name
02H Input Selector Control2
Default
D7
0
0
D6
D5
D4
D3
0
0
D2
D1
D0
VSEL22 VSEL21 VSEL20
VSEL12 VSEL11 VSEL10
0
0
0
0
0
0
VSEL12-10: Video Input Selector 1 Control (Table 3)
The video output is sync tip clamp level at the default setting “000”.
VSEL22-20: Video Input Selector 2 Control (Table 4)
The video output is sync tip clamp level at the default setting “000”.
Addr Register Name
03H Output Level Control1
Default
D7
0
0
D6
D5
D4
D3
0
0
D2
D1
D0
AGCA22 AGCA21 AGCA20
AGCA12 AGCA11 AGCA10
0
0
0
0
0
0
AGCA11-10: Audio Output L/ROUT1 Level Control (Table 5)
000: 0dB (default)
001: -1dB
010: -2dB
…
110: -6dB
111: Reserved
AGCA21-20: Audio Output L/ROUT2 Level Control (Table 6)
000: 0dB (default)
001: -1dB
010: -2dB
…
110: -6dB
111: Reserved
MS1251-E-00
21
2010/10
AKM [ ASAHI KASEI MICROSYSTEMS ]
