Casio 200cR Service Manual

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5-2. CPU (µPD78054GC)
Pin No. Signal Description In / Out
PW-ON
level
1 P15 Head drive signal (HD1) Out Low
2 P16 Stamp drive signal (STAMP) Out Low
3 P17 Winder motor drive signal (WINDER) Out Low
4 AVss Analong ground for A/D converter — GND
5 P130 Motor drive signal (MOTOR) Out Low
6 P131 Drawer drive signal (DRW) Out Low
7 AVREF1 Standard voltage for D/A converter (VDD) — 5V
8 P70 Head drive signal (HD3) Out Low
9 P71 Head drive signal (HD4) Out Low
10 P72 Head drive signal (HD5) Out Low
11 P20 Head drive signal (HD6) Out Low
12 P21 Head drive signal (HD7) Out Low
13 P22 Head drive signal (HD8) Out Low
14 P23 Head drive signal (HD9) Out Low
15 P24 Head drive signal (HD10) Out Low
16 P25 Head drive signal (HD11) Out Low
17 P26 Head drive signal (HD12) Out Low
18 P27 Head drive signal (HD13) Out Low
19 P40 Address / Data bus (AD0) In / Out High
20 P41 Address / Data bus (AD1) In / Out High
21 P42 Address / Data bus (AD2) In / Out High
22 P43 Address / Data bus (AD3) In / Out High
23 P44 Address / Data bus (AD4) In / Out High
24 P45 Address / Data bus (AD5) In / Out High
25 P46 Address / Data bus (AD6) In / Out High
26 P47 Address / Data bus (AD7) In / Out High
27 P50 Address signal (A8) Out Low
28 P51 Address signal (A9) Out Low
29 P52 Address signal (A10) Out Low
30 P53 Address signal (A11) / Data signal from EEPROM (DO) In / Out Low
31 P54 Address signal (A12) / Data signal to EEPROM (DI) Out Low
32 P55 Address signal (A13) / Clock signal for EEPROM (SK) Out Low
33 VSS Ground — GND
34 P56 Chip enable signal for EEPROM (EEPROM CE) Out Low
35 P57 Chip enable signal for RAM (RAM CE) Out High
36 P60 Key input signal (KI0) In High
37 P61 Key input signal (KI1) In High
38 P62 Key input signal (KI2) In High
39 P63 Key input signal (KI3) In High
40 P64 Read signal for RAM (RD) Out High
41 P65 Write signal for RAM (WR) Out High
42 P66 Key input signal (KI4) In High
43 P67 Address strobe signal (ASTB) Out Low
44 P30 Display segment signal (SEG1a) / Key common singnal (KC11) Out Pulse
45 P31 Display segment signal (SEG1b) / Key common singnal (KC10) Out Pulse
46 P32 Display segment signal (SEG1c) / Key common singnal (KC9) Out Pulse
47 P33 Display segment signal (SEG1d) / Key common singnal (KC8) Out Pulse
48 P34 Display segment signal (SEG1e) / Key common singnal (KC7) Out Pulse
49 P35 Display segment signal (SEG1f) / Key common singnal (KC6) Out Pulse
50 P36 Buzzer signal (BUZZ) Out Low
51 P37 Display segment signal (SEG1g) Out Low
52 P120 Display segment signal (SEG0a) / Key common singnal (KC5) Out Pulse
53 P121 Display segment signal (SEG0b) / Key common singnal (KC4) Out Pulse
54 P122 Display segment signal (SEG0c) / Key common singnal (KC3) Out Pulse

Casio 200cR Specifications

General

Brand	Casio
Model	200cR
Category	Cash Register
Language	English