— 44 —
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 Conect 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)
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