– 38 –
PIN
IC specification
Assignment
I/O
Explanation
52
P73/INT3/T0IN
Rcin
IN
Remote control signal input
53
RES
RESET in
IN
CPU Reset input RESET : Low (and for on-board write)
54
XT1
Xin
IN
32.678KHz X’tal input (for clock timer)
55
XT2
Xout
OUT
32.678KHz X’tal output (for clock timer)
56
VSS1
Vss
IN
GND (0Vdc)
57
CF1/AN12
Xti
IN
Main clock input (8MHz ceramic oscillator)
58
CF2/AN13
Xto
OUT
Main clock output (8MHz ceramic oscillator)
59
VDD1
Power IN
IN
VDD1 (5Vdc±10%)
60
P80/AN0
Key in
IN
Panel switch input
61
P81/AN1
Reserve
IN
GND
62
P82/AN2
PANEL READY
IN
Panel Ready (for PDP-LG) OK : High NG : Low only PDP
63
P10/SO0
VS-ON
OUT
VS-ON (for PDP-LG) ON : High OFF : Low only PDP
64
P11/SI0/SB0
REG SW1
OUT
REG SW1 (ON : Low OFF : High)
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