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Pin
Pin Name
167
THLAT
168
STBNP
169
3.3V
170
TXD2/IOP
171
RXD2/IOP
172
RTS2/IOP
173
CTS2/IOP
174
DSR2/IOP
175
DCD2/IOP
176
DTR2/IOP
177
RI2/IOP
178
XRSTSWI/IP83
179
KEYIN0
180
KEYIN1
181
KEYIN2
182
KEYIN3
183
KEYIN4
184
KEYIN5
185
OPLED
186
VSS
187
3.3V
188
KSTART
189
KLATCH
190
KSCLK
191
KTXD
192
KRXD
193
ADSEL1
194
VSSC
195
VREFB
196
VREFT
197
BIAS
198
VREFH
199
VDDC
200
VSSA
201
VDDA
202
VDDB
203
VCL
204
AIN3
205
AIN1
Buffer Power
5V
supply
Tolerant
MULT3/5
NO
3.3V
YES
3.3V
YES
3.3V
YES
3.3V
YES
3.3V
YES
3.3V
YES
3.3V
YES
3.3V
YES
3.3V
YES
3.3V
YES
3.3V
YES
3.3V
YES
3.3V
YES
3.3V
YES
3.3V
YES
3.3V
YES
3.3V
YES
3.3V
YES
3.3V
YES
3.3V
YES
3.3V
YES
3.3V
YES
3.3V
YES
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Signal
I/O
Name
TH LAT
O Thermal head latch
CIS SEL
+3.3V
TH ON
O Thermal head 24V ON
RS
I/O LCD control
OPEN
O Not used
CIS ON
O CIS 5v supply control
MOTOR
I Motor position detection
PO.
OPEN
O Not used
OPEN
O Not used
OPEN
O Not used
PULL
DOWN
KIN0
I/O Key read
KIN1
I/O Key read
KIN2
I/O Key read document sensor control
KIN3
I/O Key read read start position sensor
OPEN
O Not used
OPEN
O Not used
OPESEL OD Operation panel control
DG
3.3V
OD Power supply
KSTART OD LCD control
KLATCH OD Key scan LCD control
KSCLK
OD Key scan LCD control
KTXD
I Key scan LCD control
KRXD
O Document read start position sensor
ADSEL1
DG
-
VREFB
-
VREFT
-
BIAS
-
VREFH
+3.3V
DG
+3.3V
+3.3V
-
VCL
-
AIN3
-
AIN1
126
Description
Power supply
Pull down
control
GND
Thermal head temperature detection
trigger
Ground for analog image process
A/D reference-
A/D reference+
A/D reference center
Power supply for analog image
Ground for analog image process
Power supply for analog image
Power supply for analog image
Clamp level
Analog image signal (CIS output
input)
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