Panasonic CQ-C7703N Service Manual page 14

Pin Port Part Name & Description
No.
1 A18 A18 in Address bus
2 A19 A19 in Address bus
3 A20 A20 in Address bus
4 NC Not connected
5 LED G
6 LED B
7 A0 A0 in address bus for LCD
8 A1 A1 in Address bus
9 VSS GND
10 A2 A2 in Address bus
11 A3 A3 in Address bus
12 A4 A4 in Address bus
13 A5 A5 in Address bus
14 A6 A6 in Address bus
15 A7 A7 in Address bus
16 A8 A8 in Address bus
17 A9 A9 in Address bus
18 A10 A10 in Address bus
19 A11 A11 in Address bus
20 A12 A12 in Address bus
21 VCC +3.3V Power supply
22 A13 A13 in Address bus
23 A14 A14 in Address bus
24 A15 A15 in Address bus
25 SIN0 Serial data from Main CPU
or Flash writer
26 SOT0 Serial data to Main CPU or
Flash writer
27 SCK0 Serial clock for Flash
writer
28 NC Not connected
29 FRASH Reset for Flash memory
RESET
30 KS1 Key scan 1
31 NC Not connected
32 NC Not connected
33 AVCC +3.3V Power supply
34 AVRH +3.3V Power supply
35 AVSS/ GND
AVRL
36 TH Pulled up to H
DETECT
37 KS2 Key scan 2
38 KS3 Key scan 3
39 NC Not connected
40 VSS GND
41 KI5 Key-in return 5
I/O (V)
O 1.5
O 1.7
O 1.3
-
- -
- -
O 1.3
O 0.3
-
O 0.4
O 0.4
O 0.4
O 1.3
O 0.4
O 0
O 1.3
O 0
O 0
O 1.5
O 1.7
- 3.5
O 1.4
O 1.5
O 1.7
I 0.5
O 1.8
I 3.5
-
O 3.5
O 0
-
-
- 3.5
- 3.5
-
- 1.3
O 0
O 0
-
-
I 0
14
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-
-
-
-
-
-
-
-
-