Circuit Description Ic Description - Panasonic WJ-FS616 Service Manual

CIRCUIT DESCRIPTION
IC Description
1. Switch Board
1.1.
IC102 on the Switch Board is using the Single Chip 8-Bit Microprocessor IC YWM380670NET.
Description of this IC is as follows:
VREF 74
AVss 75
P67/AN7 76
P66/AN6 77
P65/AN5 78
P64/AN4 79
P63/AN3 80
Pin Name I/O
1 P62/AN2 O EEPROM Serial Clock Pulse output
terminal.
2 P61/AN1 I EEPROM Serial Data input terminal.
3 P60/AN0 O EEPROM Serial Data output terminal.
4 P77 I IDEQ signal input terminal.
5 P76 I/O Not used.
6 P75 I/O Not used.
7 P74 I/O Not used.
8 P73/SRDY2 I/O Not used.
9 P72/SCLK2 I/O Not used.
10 P71/SOUT2 I/O Not used.
11 P70/SIN2 I/O Not used.
12 P57/DA2 I/O Not used.
13 P56/DA1 I/O Not used.
14 P55/CNTR1 I/O Not used.
15 P54/CNTR0 I/O Not used.
16 P53/INT4 I Interrupt signal input terminal.
17 P52/INT3 I CAMSWS signal input terminal.
18 P51/INT2 I PRVDN signal input terminal.
P87 65
P86 66
P85 67
P84 68
P83 69
P82 70
P81 71
P80 72
Vcc 73
Description
(TOP VIEW)
Pin Name
19 P50
20 P47/SRDY1 I/O Not used.
21 P46/SCLK1 I/O Not used.
22 P45/TXD
23 P44/RXD
24 P43/INT1
25 P42/INT0
26 CNVss
27 RESET
28 P41
29 P40
30 XIN
31 XOUT
32 Vss
33 P27/DB7
34 P26/DB6
35 P25/DB5
36 P24/DB4
12
40 P20/DB0
39 P21/DB1
38 P22/DB2
37 P23/DB3
36 P24/DB4
35 P25/DB5
34 P26/DB6
33 P27/DB7
32 Vss
31 XOUT
30 XIN
29 P40
28 P41
27 RESET
26 CNVss
25 P42/INT0
I/O Description
I CAMSWR signal input terminal.
O Not used.
I Not used.
I Vertical Sync signal input terminal.
I PRVDN signal input terminal.
– Ground terminal.
I Reset Pulse input terminal.
O Reset Pulse output terminal.
I IDON signal input terminal.
I Clcok Pulse input terminal.
O Not used.
– Ground terminal.
I/O
I/O
Data Bus terminals. (8-Bit)
I/O
I/O