KX-NS0290CE - Panasonic PBX Service Manual (repair manual). Page 39

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39
KX-NS0290CE
12 Exploded View and Replacement Parts List
12.1. IC Data
12.1.1. IC
No.
Signal
Direction 
MAIN  PRI
Function
1
15V
Power Input (+15V)
2
15V
Power Input (+15V)
3
OPEN
OPEN
4
GND
Power Input (GND)
5
GND
Power Input (GND)
6
DOUT_SLC
Serial I/F for SLIC (DOUT)
7
/CS_SLC
Serial I/F for SLIC (/CS)
8
GND
Power Input (GND)
9
DR2
PCM RX DATA FOR SLIC
10
DX2
PCM TX DATA FOR SLIC
11
DR1
PCM RX DATA FOR PRI
12
DX1
PCM TX DATA FOR PRI
13
DR0
OPEN
14
DX0
OPEN
15
GND
Power Input (GND)
16
/CS2_LCOT
OPEN
17
DOUT_LCOT
OPEN
18
/CS1_LCOT
OPEN
19
GND
Power Input (GND)
20
/INT0
Interrupt signal for PRI IC
21
/INT1
Interrupt signal for SLIC
22
/RD
Read signal for PRI IC
23
/WR
Write signal for PRI IC
24
/WAIT
OPEN
25
/RESET4
OPEN
26
GND
Power Input (GND)
27
A0
Address BUS [0]
28
A1
Address BUS [1]
29
A2
Address BUS [2]
30
A3
Address BUS [3]
31
GND
Power Input (GND)
32
A4
Address BUS [4]
33
A5
Address BUS [5]
34
A6
Address BUS [6]
35
A7
Address BUS [7]
36
GND
Power Input (GND)
37
D0
← →
Data BUS [0]
38
D1
← →
Data BUS [1]
39
D2
← →
Data BUS [2]
40
D3
← →
Data BUS [3]
41
GND
Power Input (GND)
42
D4
← →
Data BUS [4]
43
D5
← →
Data BUS [5]
44
D6
← →
Data BUS [6]
45
D7
← →
Data BUS [7]
46
GND
Power Input (GND)
47
GPIO6
← →
LED(RAI) CONTROL SIGNAL
48
GPIO7
← →
LED(AIS) CONTROL SIGNAL
49
GPIO8
← →
LED(SYNC) CONTROL SIGNAL
50
GPIO9
← →
LED(RAI) CONTROL SIGNAL
51
GPIO10
← →
RESERVED
52
GPIO11
← →
RESERVED
53
GND
Power Input (GND)
54
CARD_SEL0
Card SELECT BIT [0]
55
CARD_SEL1
Card SELECT BIT [1]
56
CARD_SEL2
Card SELECT BIT [2]
57
CARD_SEL3
Card SELECT BIT [3]
58
CARD_SEL4
Card SELECT BIT [4]
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