General Specification
| Item | Standard Value | Unit |
| Display Type | 20 Characters x 4 Lines | Mm |
| LCD Type | STN,POSITIVE(Y-G),TRANSFLECTIVE | Mm |
| Driver Condition | LCD Module : 1/16 Duty , 1/5 Bias | Mm |
| Viewing Direction | 6 O’Clock | Mm |
| Backlight Type | SIDE Y-G | Mm |
| Interface | 8-bit MPU interface | – |
| Driver IC | AIP31066 | – |
| Outline Dimension | 118(L) *43(W) * 13.1(T) | mm |
| Viewing Area | 77(L) * 25.2( W) | mm |
| Dot size | 0.56(W) ´ 0.56(H) | mm |
| Dot pitch | 0.6(W) ´ 0.6 (H) | mm |
| Character size | 4.76(W) ´ 2.96(H) | mm |
Interface Definition
| No. | Symbol | Function | |
| 1 | VSS | Ground (0V) | |
| 2 | VDD | Supply Voltage for Logic (+5.0V ) | |
| 3 | VO | Contrast Adjustment | |
| 4 | RS | Data/Instruction Select | |
| 5 | R/W | Read/Write Select | |
| 6 | E | Enable Signal | |
| 7–14 | DB0-DB7 | Data Bus | |
| 15 | LED_A | LED Power Supply + (5.0V) | |
| 16 | LED_K | LED Power Supply – (0V) | |
