Casio TE-2000 Service Manual

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5-4. RAM (IC16,17)
A0 ~ A16: ADDRESS
D0 ~ D7: DATA
CE1: Chip select 1
CE2: Chip select 2
WE: Write enable
OE: Output enable
NC: Not used
VCC: Power supply
GND: GND
PIN NO PIN NAME I / O DESCRIPTION PIN NO PIN NAME I / O DESCRIPTION
101 GND - Vss 131 S207 O to 14 seg LED
102 S2C (KC_11) O KEY scan signal 132 S208 O to 14 seg LED
103 S2D (KC_12) O KEY scan signal 133 S209 O to 14 seg LED
104 S2E O to 7 seg LED 134 S210 O to 14 seg LED
105 S2F O to 7 seg LED 135 S211 O to 14 seg LED
106 S2G O to 7 seg LED 136 S212 O to 14 seg LED
107 S2DP O to 7 seg LED 137 S213 O to 14 seg LED
108 C101 O to 14 seg LED 138 S214 O to 14 seg LED
109 C102 O to 14 seg LED 139 DG_1 O to 7 seg LED
110 C103 O to 14 seg LED 140 DG_2 O to 7 seg LED
111 C104 O to 14 seg LED 141 DG_3 O to 7 seg LED
112 C105 O to 14 seg LED 142 DG_4 O to 7 seg LED
113 C106 O to 14 seg LED 143 DG_5 O Not used
114 C107 O to 14 seg LED 144 DG_6 O Not used
115 C108 O to 14 seg LED 145 Vcc O VCC
116 C109 O to 14 seg LED 146 SCK O CP1 terminal
117 C110 O to 14 seg LED 147 AMC O CP2 terminal
118 C111 O to 14 seg LED 148 GND - Vss
119 C112 O to 14 seg LED 149 MTR_1J O MTR_J1 by Printer circuit
120 Vcc - VDD 150 MTR_2J O MTR_J2 by Printer circuit
121 GND - Vss 151 MTR_3J O MTR_J3 by Printer circuit
122 GND - Vss 152 MTR_4J O MTR_J4 by Printer circuit
123 S113 O to 14 seg LED 153 STB_1J O STB_J1 by Printer
124 S114 O to 14 seg LED 154 STB_2J O STB_J2 by Printer
125 S201 O to 14 seg LED 155 STB_3J O STB_J3 by Printer
126 S202 O to 14 seg LED 156 STB_4J O STB_J4 by Printer
127 S203 O to 14 seg LED 157 STB_5J O STB_J5 by Printer
128 S204 O to 14 seg LED 158 STB_6J O STB_J6 by Printer
129 S205 O to 14 seg LED 159 GND - Vss
130 S206 O to 14 seg LED 160 GND - Vss
5-5. FLASH ROM (IC18)
This FROM is unable to write the application software from the PC.
Therefore, Casio Techno will supply the FROM of the application software installation completion.
A0 ~ A17: ADDRESS
D0 ~ D7: DATA
WE: Write enable
CE: Chip enable
OE: Output enable
VCC: Power supply
VSS: GND

Casio TE-2000 Specifications

General

Brand	Casio
Model	TE-2000
Category	Cash Register
Language	English