WH1602L1 is a 16×2 Character Dot Matrix LCD Module which is built in with ST7066 controller IC; its default interface is 6800 4/8-bit parallel. WH1602L1 is available in several different backlight colours including blue, green, white, yellow-green, amber, red, white LED. The LEDs can be driven by PIN1, PIN2, PIN15, PIN16 or A and K.
- WH1602L1 : 6800 interface (ST7066 IC)
Interface Pin Function
Pin No. |
Symbol |
Description |
1 |
VSS |
Ground |
2 |
VDD |
Power supply for logic |
3 |
VO |
Contrast Adjustment |
4 |
RS |
Data/ Instruction select signal |
5 |
R/W |
Read/Write select signal |
6 |
E |
Enable signal |
7~14 |
DB0~DB7 |
Data bus line |
15 |
A |
Power supply for B/L + |
16 |
K |
Power supply for B/L – |
Mechanical Data
Item |
Standard Value |
Unit |
Module Dimension |
122.0 x 44.0 |
mm |
Viewing Area |
99.0 x 24.0 |
mm |
Mounting Hole |
115.0 x 37.0 |
mm |
Character Size |
4.80 x 8.56 |
mm |
Electrical Characteristics
Item |
Symbol |
Standard Value
typ. |
Unit |
Input Voltage |
VDD |
3/5 |
V |
Recommended LCD Driving
Voltage for Normal Temp.
Version module @25°C |
VDD-VO |
4.20 |
V |
WH1602L1 Data Sheet