Casio SF-5300B Service Manual & Parts List

— 12 —
Pin No. Name I/O Description
1 ~ 5 C0 ~ 4 Out Common signal for display
6 GND In GND 0 V
7,8 BZ1,2 Out Buzzer terminal
9 VDD In Power supply terminal (+5.3 V)
10 CSRA1 Out Chip enable signal for LSI2
11 CSRA2 Out Chip enable signal for LSI3
12 CSROM Out Chip enable signal (Not used)
13 WEB Out Write enable signal for LSI2 and LSI3
14,15 RA15,16 Out Address bus (Not used)
16 ~ 30 A0 ~ 14 Out Address bus
31 ~ 38 IO0 ~ 7 I/O Data bus
39 ~ 54 KY0 ~ 15 I/O Key signal
55 SW In Battery switch Power on: 0 V off: 6 V
56 DEBUG - Not used
57 ON Out Data communication enable signal
58 CRCKI In GND 0 V
59 SOUTB Out Transmission data output
60 SIN In Receiving data input
61 VDD In Power supply terminal (+5.3 V)
62 TEST - Not used
63 VTM - Not used
6. LSI PIN FUNCTIONS
6-1. CPU: LSI1
No.1

Casio SF-5300B Specifications

General

Brand	Casio
Model	SF-5300B
Category	Organizer
Language	English