— 42 —
CONTROL PORT FUNCTIONS (CONT.)
System Control (CPU : IC800 Cont.)
Pin
Name
Function
I/O
Description
52
P73/INT3/T0IN
Rcin
IN
RC Input
53
RES
RESET in
IN
Microcomputer Reset RESET:Low Normal:High
54
XT1/AN10
Xin
IN
Connect to VDD1
55
XT2/AN11
Reserve
OUT
(OPEN)
56
VSS1
Vss
IN
GND (0Vdc)
57
CF1
Xti
IN
Main Clock IN (Fosc=8MHz)
58
CF2
Xto
OUT
Main Clock OUT (Fosc=8MHz)
59
VDD1
Power IN
IN
5V (5Vdc ± 10%)
60
AN0
Key in
IN
Key input
61
AN1
AFT(Reserve)
IN
GND
62
P82
PANEL READY
IN
Panel Ready (for PDP) OK:High NG:Low
63
P10/SO0
VS-ON
OUT
VS-ON(for PDP) ON:High OFF:Low
64
P11/SI0/SB0
REG SW1
OUT
REG SW1 (ON:High OFF:Low)
