Sanyo DP26648 Service Manual - Page 42

Control Port Functions Cont. - no power

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

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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)