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IC BLOCK DIAGRAM AND DESCRIPTION
TC9162BFG(Function Switch)
2
S1
S2
3
COM1
4
5
S3
6
S4
COM2
7
S5
8
9
S6
10
10
COM3
11
11
S7
12
12
COM4
13
13
ST
Pin No.
1
14
28
2,3,5,6,8,9,11
27,26,24,23,21,20,18
4,7,10,12
25,22,19,17
13
15
16
VSS
GND
VDD
1
14
14
28
28
SHIFT REGISTER
Symbol
Function
Vss
Negative power supply
GND
Ground
VDD
Positive power supply
S1~S7
Input/output terminals
S1~S7
Input/output terminals
COM1 ~ COM4
Common terminals
COM1 ~ COM4
Common terminals
ST
Strobe input terminal for data reading
C K
Clock input terminal for data transfer
DAT A
Data input terminal for switch
27
27
S1
26
26
S2
COM1
25
25
24
24
S3
23
23
S4
22
22
COM2
21
21
S5
20
20
S6
19
19
COM3
18
18
S7
17
17
COM4
16
16
DATA
CK
15
15
TX-NR1000
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