AK4223 Datasheet, PDF (22/27 Pages) Asahi Kasei Microsystems – 6:2 Audio Switch and 6:2 Video Switch

[AK4223]
Addr
04H
Register Name
Output Level Control2
Default
D7 D6 D5 D4
0 VR2 VR1 0
0
0
0
0
VGAIN11-10: Video Output1 Level Control (Table 9)
00: +6dB (default)
01: 0dB
10: +3dB
11: -3dB
VGAIN21-20: Video Output2 Level Control (Table 10)
00: +6dB (default)
01: 0dB
10: +3dB
11: -3dB
VR1: Video Output1 Load Resistance
0: Drive 150Ω (default)
1: Drive 100kΩ (min)
VR2: Video Output2 Load Resistance
0: Drive 150Ω (default)
1: Drive 100kΩ (min)
D3
VGAIN21
0
D2
VGAIN20
0
D1
VGAIN11
0
D0
VGAIN10
0
Addr Register Name
D7
D6
D5
D4
D3
D2
D1
D0
05H Output Level Control3
0
0
0 VGCA14 VGCA13 VGCA12 VGCA11 VGCA10
Default
0
0
0
0
1
0
1
0
VGCA14-10: Video Output1 Level Control (Table 11)
The video output is +6dB (when VGAIN11-10 bits = “00”), 0dB (when VGAIN11-10 bits = “01”), +3dB
(when VGAIN11-10 bits= “10”) and -3dB (when VGAIN11-10 bits = “11”) at the default setting “01010”.
Addr Register Name
D7
D6
D5
D4
D3
D2
D1
D0
06H Output Level Control4
0
0
0 VGCA24 VGCA23 VGCA22 VGCA21 VGCA20
Default
0
0
0
0
1
0
1
0
VGCA24-20: Video Output2 Level Control (Table 12)
The video output is +6dB (when VGAIN21-20 bits = “00”), 0dB (when VGAIN21-20 bits = “01”), +3dB
(when VGAIN21-20 bits= “10”) and -3dB (when VGAIN21-20 bits = “11”) at the default setting “01010”.
MS1251-E-00
22
2010/10