Casio QT-2100 Service Manual

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PIN NO PIN NAME I / O DESCRIPTION
140 IRSL[3]/PTF[3]/PINT[11] IN Not used
141 IRSL[2]/PTF[2]/PINT[10] IN Not used
142 IRSL[1]/PTF[1]/PINT[9] IN Not used
143 IRSL[0]/PTF[0]/PINT[8] IN CF CARD IN/OUT signal
144 MD0 IN CLOCK MODE
145 Vcc-PLL1 - PLL Power supply (1.9V)
146 CAP1 - Not used
147 Vss-PLL1 - PLL Power supply (0V)
148 Vss-PLL2 - PLL Power supply (0V)
149 CAP2 - Not used
150 Vcc-PLL2 - PLL Power supply (1.9V)
151 AUDCK/PTH[6] IN VCC (3.3V)
152 Vss - VSS
153 Vss - VSS
154 Vcc - VCC (1.9V)
155 XTAL OUT CLOCK 8.25MHz
156 EXTAL IN CLOCL 8.25MHz
157 STAUTS0/PTJ[6](_1:) OUT/I/O VCC (3.3V)
158 STAUTS1/PTJ[7](_1:) OUT/I/O VCC (3.3V)
159 TCK/PTH[7] I/O RESET LATCH signal
160 IRQOUTJ(_1:) OUT(_1:) Not used
161 VssQ - I/O Power supply (0V)
162 CKI/O I/O VCC (3.3V)
163 VccQ - I/O Power supply (3.3V)
164 TxD0/SCPT[0] OUT IOC CPU TxD
165 SCK0/SCPT[1] I/O VCC (3.3V)
166 TxD1/SCPT[2] OUT Not used
167 SCK1/SCPT[3] I/O IOC PWD
168 TxD2/SCPT[4] OUT COM1 TxD
169 SCK2/SCPT[5] I/O RESET LATCH
170 RTS2/SCPT[6] OUT/I/O COM1 RTS
171 RxD0/SCPT[0] IN IOC CPU RxD
172 RxD1/SCPT[2] IN VCC (3.3V)
173 Vss - VSS
174 RxD2/SCPT[4] IN COM1 RxD
175 Vcc - VCC (1.9V)
176 CTS2/IRO/SCPT[7] IN COM1 CTS
177 MCS[7]/PTC[7]/PINT[7] OUT/I/O/IN PCMCIA I/O signal
178 MCS[6]/PTC[6]/PINT[7] OUT/I/O/IN IOC CPU RESET (OUT)
179 MCS[5]/PTC[5]/PINT[5] OUT/I/O/IN IOC CPU RTS (OUT)
180 MCS[4]/PTC[4]/PINT[4] OUT/I/O/IN COM1 CI (IN)
181 VssQ - I/O Power supply (0V)
182 WAKEUP/PTD[3] OUT/I/O VSS
183 VccQ - I/O Power supply (3.3V)
184 RESETOUTR/PTD[2] OUT/I/O VCC (3.3V)
185 MCS[3]/PTC[3]/PINT[3] OUT/I/O/IN COM1 DSR (IN)
186 MCS[2]/PTC[2]/PINT[2] OUT/I/O/IN COM1 CD (IN)
187 MCS[1]/PTC[1]/PINT[1] OUT/I/O/IN VCC (3.3V)
188 MCS[0]/PTC[0]/PINT[0] OUT/I/O/IN VCC (3.3V)
189 DRAK0/PTD[1] OUT/IN VCC (3.3V)
190 DRAK1/PTD[0] OUT/IN VCC (3.3V)
191 DREQ0/PTD[4] IN/I/O VCC (3.3V)
192 DREQ1/PTD[6] IN/I/O VCC (3.3V)
193 RESETP IN RESET
194 CA IN VCC (3.3V)
195 MD3 IN VSS
196 MD4 IN VCC (3.3V)
197 MD5 IN VCC (3.3V)
198 AVss - VSS
199 AN[0]/PTL[0] IN IOC CPU DSR (IN)
200 AN[1]/PTL[1] IN VCC (3.3V)
201 AN[2]/PTL[2] IN/OUT/IN VCC (3.3V)
202 AN[3]/PTL[3] IN/OUT/IN VCC (3.3V)
203 AN[4]/PTL[4] IN/OUT/IN VCC (3.3V)
204 AN[5]/PTL[5] IN/OUT/IN VCC (3.3V)
205 Avcc - Anaog power supply (3.3V)
206 AN[6]/DA[1]/PTL[6] IN/OUT/IN Not used
207 AN[7]/DA[1]/PTL[7] IN/OUT/IN Not used
208 AVss - Anaog power supply (0V)

Casio QT-2100 Specifications

General

Brand	Casio
Model	QT-2100
Category	Cash Register
Language	English