KX-FT21RS
Pin | Pin Name | Buffer Power supply | 5V Tolerant | Signal Name | I/O | Description |
160 | STB2 | MULT3/5 | NO | STB2 | O | Thermal head strobe 2 |
161 | STB3 | MULT3/5 | NO | OPEN | O | Not used |
162 | STB4 | MULT3/5 | NO | OPEN | O | Not used |
163 | THDAT | MULT3/5 | NO | TH DATA | O | Thermal data |
164 | VSS |
|
| DG |
| Ground |
165 | MULT3/5 | - |
| +5V |
| Power supply for THCLK DAT LAT STB |
166 | THCLK | MULT3/5 | NO | TH CLK | O | Thermal head clock |
167 | THLAT | MULT3/5 | NO | TH LAT | O | Thermal head latch |
168 | STBNP | 3.3V | YES | CIS SEL |
|
|
169 | 3.3V |
|
| +3.3V |
| Power supply |
170 | TXD2/IOP | 3.3V | YES | TH ON | O | Thermal head 24V ON |
171 | RXD2/IOP | 3.3V | YES | RS | I/O | LCD control |
172 | RTS2/IOP | 3.3V | YES | OPEN | O | Not used |
173 | CTS2/IOP | 3.3V | YES | CIS ON | O | Not used |
174 | DSR2/IOP | 3.3V | YES | MOTOR PO. | I | Motor position detection |
175 | DCD2/IOP | 3.3V | YES | OPEN | O | Not used |
176 | DTR2/IOP | 3.3V | YES | OPEN | O | Not used |
177 | RI2/IOP | 3.3V | YES | OPEN | O | Not used |
178 | XRSTSWI/IP83 | 3.3V | YES | PULL DOWN |
| Pull down |
179 | KEYIN0 | 3.3V | YES | KIN0 | I/O | Key read |
180 | KEYIN1 | 3.3V | YES | KIN1 | I/O | Key read |
181 | KEYIN2 | 3.3V | YES | KIN2 | I/O | Key read document sensor control |
182 | KEYIN3 | 3.3V | YES | KIN3 | I/O | Key read read start position sensor control |
183 | KEYIN4 | 3.3V | YES | OPEN | O | Not used |
184 | KEYIN5 | 3.3V | YES | OPEN | O | Not used |
185 | OPLED | 3.3V | YES | OPESEL | OD | Operation panel control |
186 | VSS |
|
| DG |
| GND |
187 | 3.3V |
|
| 3.3V | OD | Power supply |
188 | KSTART | 3.3V | YES | KSTART | OD | LCD control |
189 | KLATCH | 3.3V | YES | KLATCH | OD | Key scan LCD control |
190 | KSCLK | 3.3V | YES | KSCLK | OD | Key scan LCD control |
191 | KTXD | 3.3V | YES | KTXD | I | Key scan LCD control |
192 | KRXD | 3.3V | YES | KRXD | O | Document read start position sensor |
193 | ADSEL1 | 3.3V | YES | ADSEL1 |
| Thermal head temperature detection trigger |
194 | VSSC |
|
| DG |
| Ground for analog image process |
195 | VREFB | Analog | - | VREFB |
| A/D reference- |
196 | VREFT | Analog | - | VREFT |
| A/D reference+ |
197 | BIAS | Analog | - | BIAS |
|
|
198 | VREFH | Analog | - | VREFH |
| A/D reference center |
199 | VDDC |
|
| +3.3V |
| Power supply for analog image process |
200 | VSSA |
|
| DG |
| Ground for analog image process |
201 | VDDA |
|
| +3.3V |
| Power supply for analog image process |
202 | VDDB |
|
| +3.3V |
| Power supply for analog image process |
203 | VCL | Analog | - | VCL |
| Clamp level |
204 | AIN3 | Analog | - | AIN3 |
|
|
205 | AIN1 | Analog | - | AIN1 |
| Analog image signal (CIS output signal input) |
206 | AMON | Analog | - | OPEN |
| Not used |
207 | AIN2 | Analog | - | AIN2 |
| Thermistor voltage detection |
208 | VSSB |
|
| DG |
| Ground for analog image process |
