AKD4220-A Datasheet, PDF (28/34 Pages) Asahi Kasei Microsystems – various 7:3 audio and 6:3 video switches.

A
E
D
B
C
D3.3V_IN
CAD0
CAD1
I2C
SW1
1
4
2
5
3
6
I2C MODE
RP2
3
2
1
47k
D3.3V_IN
U4A
1
2
74HC04
CAD0
CAD1
I2C_H
I2C
C
D3.3V_IN
R46 10k
R48 10k
R50 10k
R47 470
R49 470
R51 470
B
PORT2
1
10
2
9
3
8
4
7
5
6
CSN
CCLK/SCI
CDTI/SDA
CDTO/SDA(ACK)
CTRL
R100
3.9k
R53 51
CAD1
I2C_H
A
JP8
CAD0
I2C
A
U5
2
3
5
6
11
10
14
13
1A
1B
2A
2B
3A
3B
4A
4B
1Y ⁴
2Y ⁷
3Y ⁹
4Y ¹²
1
15
A/B
G
VCC
GND
16
8
74LVC157
CSN/CAD1
CCLK/SCL
C58
0.1u
D3.3V_IN
D3.3V_IN
14
1
2
7
U7A 74LVC07
10k ^R54
D3.3V_IN
CDTI/SDA
CDTO/CAD0
B
C
D
D3.3V_IN
RP1
6
5
4
3
2
1
10k
INT
Q0
Q1
Q2
Q3
Q4
E
R34 51
R35 51
R36 51
R37 51
R38 51
PORT1
Q0 ₁
10 ^INT
Q1 ₂
9
E
Q2 ₃
8
Q3 ₄
7
Q4 ₅
6
Q/INT
R39 51
D3.3V_IN
U3A 14
R40
LE1
1
2
7
74HCU04 D3.3V_IN 1k
U3B 14
R41
I_LN_ET₂
3
4
7
74HCU04 D3.3V_IN 1k
U3C 14
R42
Q_LE0₃
5
6
D
7
74HCU04 D3.3V_IN 1k
U3D 14
R43
Q_LE1₄
9
8
7
74HCU04 D3.3V_IN 1k
U3E 14
R44
Q_LE2₅
11
10
7
74HCU04 D3.3V_IN 1k
U3F 14
R45
Q_LE3₆
13
12
7
74HCU04
1k
Q4
C46
0.1u
C
D3.3V_IN
R52
D3.3V_IN
D3.3V_IN
B
D1
10k
HSU119
U6A 14
U6B 14
1
2
7
74HC14
3
4
7
74HC14
PDN
L
H
SW2
PDN
C47
0.1u
A
Title
AKD4220-A
Size Document Number
Rev
A3
LOGIC
0
Date: Friday, May 19, 2006
Sheet
4 of 6
D
E