AK4223 Datasheet, PDF (21/27 Pages) Asahi Kasei Microsystems – 6:2 Audio Switch and 6:2 Video Switch

[AK4223]
■ Register Definitions
Addr
00H
Register Name
Control
Default
D7
D6
D5
D4
D3 D2
D1
D0
0
0
VMUTE2 VMUTE1 0
0 AMUTE2 AMUTE1
0
0
0
0
0
0
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
01H
Register Name
Input Selector Control1
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
ASEL22 ASEL21 ASEL20
0
ASEL12 ASEL11 ASEL10
0
0
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
02H
Register Name
Input Selector Control2
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
VSEL22 VSEL21 VSEL20
0
VSEL12 VSEL11 VSEL10
0
0
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
03H
Register Name
Output Level Control1
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
AGCA22 AGCA21 AGCA20 0 AGCA12 AGCA11 AGCA10
0
0
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