AK4223 Datasheet, PDF (12/27 Pages) Asahi Kasei Microsystems – 6:2 Audio Switch and 6:2 Video Switch

[AK4223]
■ Input Selector
The AK4223 has 6:2 input selectors for audio input, and 6:2 input selectors for video input. The audio input selectors are
set by ASEL12-10bits and ASEL22-20 bits, and the video input selectors are set by VSEL12-10bits and VSEL22-20 bits.
ASEL12 bit ASEL11 bit ASEL10 bit Input Selector
0
0
0
Off (Note 15)
0
0
1
LIN1 / RIN1
0
1
0
LIN2 / RIN2
0
1
1
LIN3 / RIN3
1
0
0
LIN4 / RIN4
1
0
1
LIN5 / RIN5
1
1
0
LIN6 / RIN6
1
1
1
(Reserved)
Table 1. Audio Input Selector 1 (LOUT1/ROUT1)
(default)
ASEL22 bit ASEL21 bit ASEL20 bit Input Selector
0
0
0
Off (Note 15)
0
0
1
LIN1 / RIN1
0
1
0
LIN2 / RIN2
0
1
1
LIN3 / RIN3
1
0
0
LIN4 / RIN4
1
0
1
LIN5 / RIN5
1
1
0
LIN6 / RIN6
1
1
1
(Reserved)
Table 2. Audio Input Selector 2 (LOUT2/ROUT2)
(default)
Note 15. The audio outputs become 3.9V(typ., Gain=0dB) when input selectors are OFF.
VSEL12 bit
0
0
0
0
1
1
1
1
VSEL11 bit VSEL10 bit Input Selector
0
0
Off (Note 16)
0
1
VIN1
1
0
VIN2
1
1
VIN3
0
0
VIN4
0
1
VIN5
1
0
VIN6
1
1
(Reserved)
Table 3. Video Input Selector 1 (VOUT1)
(default)
VSEL22 bit
0
0
0
0
1
1
1
1
VSEL21 bit VSEL20 bit Input Selector
0
0
Off (Note 16)
0
1
VIN1
1
0
VIN2
1
1
VIN3
0
0
VIN4
0
1
VIN5
1
0
VIN6
1
1
(Reserved)
Table 4. Video Input Selector 2 (VOUT2)
(default)
Note 16. The video outputs become sync tip level when input selectors are OFF.
MS1251-E-00
12
2010/10