Panasonic WJ-FS216 Service Manual page 16

1.5.
IC122 on the Main Board is using the 8-Bit Single Chip Microprocessor IC YW38004E8121.
Description of this IC is as follows:
RD 49
WR 50
P35 51
P34 52
P32 53
P32 54
P31 55
P30 56
(TOP VIEW)
Vcc 57
P71 58
P70 59
P67 60
P66 61
P65 62
P64 63
P63 64
Pin Name I/O
1 P62 O MSC signal output terminal.
2 P61 O MSB signal output terminal.
3 P60 O MSA signal output terminal.
4 P57 O D Strobe Pulse output terminal.
5 P56 O D Serial Clock Pulse output terminal.
6 P55 I Horizontal Drive Pulse input terminal.
7 P54 O Buzzer signal output terminal.
8 P53 O Alarm LED signal output terminal.
9 P52 O Alarm signal output terminal.
10 P51 I Camera Switch signal input terminal.
11 P50 I IDON signal input terminal.
12 P47 O EEPROM Chip Select signal output
terminal.
13 P46 O EEPROM Serial Clock Pulse output
terminal.
14 P45 I EEPROM Serial Data input terminal.
15 P44 O EEPROM Serial Data output terminal.
16 P43 O Vertical Drive Pulse output terminal.
17 P42 I Vertical Drive Pulse input terminal.
18 CNVss – Ground terminal.
19 RESET I Reset Pulse input terminal.
20 P41 O D Serial Data output terminal.
21 P40 I Sync signal input terminal.
22 XIN I
Crystal Oscillator connecting terminal.
23 XOUT O
24 Vss – Ground terminal.
25 P27 I/O
Data input/output terminals. (8-Bit)
26 P26 I/O
32 P20
31 P21
30 P22
29 P23
28 P24
27 P25
26 P26
25 P27
24 Vss
23 XOUT
22 XIN
21 P40
20 P41
19 RESET
18 CNVss
17 P42
Description
Pin Name I/O
27 P25 I/O
28 P24 I/O
29 P23 I/O
30 P22 I/O
31 P21 O
32 P20 O
33 P17 O Chip Selector 2 signal output terminal.
34 P16 O Chip Selector 3 signal output terminal.
35 P15 O A2 signal output terminal.
36 P14 O A1 signal output terminal.
37 P13 O A0 signal output terminal.
38 P12 O
39 P11 O
40 P10 O
41 P07 O
42 P06 O
43 P05 O AD signal output terminals. (11-Bit)
44 P04 O
45 P03 O
46 P02 O
47 P01 O
48 P00 O
49 RD O Read signal output terminal.
50 WR O Write signal output terminal.
51 P35 I/O Non connection.
52 P34 I/O Non connection.
53 P33 I/O Non connection.
54 P32 I/O Connected to Vcc line.
55 P31 O Switch 1 signal output terminal.
56 P30 O Select A signal output terminal.
57 Vcc – Power supply terminal.
58 P71 I/O Non connection.
59 P70 O Select C signal output terminal.
60 P67 O SI VSI signal output terminal.
61 P66 O SC VSA signal output terminal.
62 P65 O SC VSB signal output terminal.
63 P64 O SC VSVC signal output terminal.
64 P63 O MSI signal output terminal.
14
Description
Data input/output terminals. (8-Bit)