[4]?
?
?
Pin?Description?and?Wiring?Diagram?
Pin?No.?
Symbol?
External?
Connection?
Function?Description
1?
VSS?
Power?Supply?
Ground
2?
VDD?
Power?Supply?
Power?supply?for?logic?(+5.0V)
3?
V0?
Adj.Power?Supply?
Power?Supply?for?contrast?(approx.?‐3.0V
)
4?
C/D?
MPU?
Register?select?signal.??C/D=0:?DATA??C/D=1:?COMMAND?
5?
/RD?
MPU?
Active?LOW?Read?signal
6?
/WR?
MPU?
Active
LOW?Write?signal
7‐14?
DB0‐DB7??
MPU?
Bi‐directional?8‐bit?data?bus?
15?
/CE?
MPU?
Active?LOW?Chip?enable
16?
/RST?
MPU?
Active?LOW?Reset?Signal
17?
Vee?
Power?Supply?
Negative?voltage?output??(‐5.0V)
18?
MD2?
MPU?
Column?select;??H:32?column;??L:?40?column
19?
FS1?
MPU?
Font?Select:??1
:?6x8
fonts,???0
:?8x8?fonts
20?
HLT?
MPU?
Clock?operating?stop?signal
A?
LED+??Power?Supply?
Power
Supply?for?LED?Backlight?(+3.5V)
K?
LED‐?
Power?Supply?
Ground?for?Backlight
Recommended?LCD?connector:?2.54mm?pitch?pins?
Backlight?connector:??‐????Mates?with:??‐?
?
?
?
????????????????????????????
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