| LCD Description | |
|---|---|
| Model | 8B023 |
| Manufacturer | |
| Recovered from | Canon MP220 |
| Board IDs | QK1-3703-02, QM3-2522 |
| LCD type | positive |
| Polarizer type | reflective |
| Columns | 20 |
| Rows | 2 |
| Char matrix | 5×8 |
| Driver IC | Hitachi HD44780 compatible 1) (CoG) |
| Backlight | - |
| Arduino driver | LiquidCrystal.h, or mx300_driver_library |
| Connector | PCB flex cable |
| Num Pins | 14 |
| Pin spacing | 0.04” |
| Connector pin-out | Arduino test rig | ||
|---|---|---|---|
| Pin# | Label | Description | Pin |
| 1 | R/W | ||
| 2 | RS | ||
| 3 | E | ||
| 4 | DB0 | ||
| 5 | DB1 | ||
| 6 | DB2 | ||
| 7 | DB3 | ||
| 8 | DB4 | ||
| 9 | DB5 | ||
| 10 | DB6 | ||
| 11 | DB7 | ||
| 12 | Gnd | 0V | |
| 13 | Vdd | 3.3V | |
| 14 | Vlcd | 5V | |
Works with same 3.3V interface and drivers as the Canon MX300 LCD. It also has the same built in character set.
Examples :
1)
Don't know chip id, but it has non standard commands: 0x39 mirror vertically, 0x3a mirror horizontally, 0x3b rotate 180° (mirror horz & vert)