Pin |
Symbol |
Function |
1 |
VDD |
+5V(+3V option) |
2 |
VSS |
GND |
3 |
VO |
Contrast Adjustment |
4 |
RS |
H:Data L:Instruction |
5 |
R/W |
H/L read/write signal |
6 |
E |
H→L enable signal |
7~14 |
DB0~DB7 |
H/L data bus line |
15 |
A |
Power supply for B/L (+) |
16 |
K |
Power supply for B/L (-) |
(Option)PIN1:VSS,PIN2:VDD