[4]?
?
Pin?Description?and?Wiring?Diagram?
Pin?No.?
Symbol?
External?
Connection?
Function?Description
1?
VSS?
Power?Supply?
Ground
2?
VDD??Power?Supply?
Supply?Voltage?for?logic?(+3.3V)
3?
V0?
Adj?Power?Supply?
Power?supply?for?contrast?(approx.?0.3V)
4?
RS?
MPU?
Register?select?signal.?RS=0:?Command,
RS=1:?Data?
5?
R/W?
MPU?
Read/Write?select?signal,?R/W=1:?Read
R/W:?=0:?Write??
6?
E?
MPU?
Operation?enable?signal.
Falling?edge?triggered.?
7‐10?
DB0?–?DB3?
MPU?
Four?low?order?bi‐directional?three‐state?data?bus?lines.??These?four?
are?not?used?during?4‐bit?operation.?
11‐14?
DB4?–?DB7?
MPU?
Four?high?order?bi‐directional?three‐state?data?bus?lines.??
15?
LED+?
Power?Supply?
Power?supply?for?LED?Backlight?(+3.3V)
16?
LED‐?
Power?Supply?
Ground?for?Backlight
?
Recommended?LCD?connector:?1.27mm?pitch?pins?
Backlight?connector:??‐‐‐??????????Mates?with:???‐‐‐?
?
?
?
?
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