[4]?
?
Pin?Description?and?Wiring?Diagram?
Pin?No.?
Symbol?
External?
Connection?
Function?Description
1?
GND?
Power?Supply?
Ground
2?
V5?
Adj?Power?Supply?
Contrast?voltage?adjustment?(~0.1V)
3?
VDD?
Power?Supply?
VDD=3.3V
4?
RS?
MPU?
Register?Select:?0=Instruction,?1=Data
5?
R/W?
MPU?
Read?/?Write?select:?0=Write,?1=Read
6?
E?
MPU?
Read/Write?start?signal?(Schmitt?trigger?input)
7‐10?
DB0?–?DB3?
MPU?
Low?4?tri‐state?bi‐directional?data?bus?lines.?Not?used?in?4‐bit?
mode.?
11‐14?
DB4?–?DB7?
MPU?
High?4?tri‐state?bi‐directional?data?bus?lines.
Recommended?LCD?connector:?2.0mm?pitch,?14pins?Soldered?to?PCB,?or?JST?p/n:?PHR‐14?
Backlight?connector:?A?and?K?pins?Mates?with:?Solder?to?wires?or?PCB?
?
?
?
?
?
?
?
?
?
?
?
?
?