[4]?
?
Pin?Description?and?Wiring?Diagram?
Pin?No.?
Symbol?
External?
Connection?
Function?Description
1?
CS1B?
MPU?
Chip?Selection:?CS1=H,?CS2=L?→?select?IC1(leside)?
????????????????????????????CS1=L,?CS2=H→?select?IC2(right?side)?
2?
CS2B?
MPU?
3?
VSS??Power?Supply?
Ground
4?
VDD?
Power?Supply?
Power?supply?for?logic?(+5.0V)
5?
V0?
Adj?Power?Supply?
Operating?voltage?for?LCD
contrast?(approx?‐3.5V)?
6?
RS?
MPU?
Register?select:?1=Data,?0=
Instruction
7?
R/W?
MPU?
Read/Write?select?signal.
R/W=1:?Read
R/W:?=0:?Write?
8?
E?
MPU?
Operation?enable?signal.
Falling?edge?triggered.
?
9‐16?
DB0‐DB7?
MPU?
Bi‐directional?8‐bit?data?bus?
17?
/RST?
MPU?
Active?LOW
Reset
signal
18?
VEE?
Power?Supply?
Negative?voltage?output?(‐5V)
19?
LED+??Power?Supply?
Power
for?LED?Backlight?(+3.5V
with?on‐board?resistor)?
20?
LED‐?
Power?Supply?
Ground?for?Backlight
?
Recommended?LCD?connector:?2.54mm?pitch,?pins?Soldered?to?PCB??
Backlight?connector:??On?LCD?connector????Mates?with:??‐?
?
?
?
?
?
相关PDF资料
NHD-12864WG-FTFH-VZ# LCD MOD GRAPH 128X64 WH TRANSFL
NHD-12864WG-FTGH-VZ# LCD MOD GRAPHIC 128X64 TRANSFL
NHD-12864WG-FTMI-VZ# LCD MOD GRAPH 128X64 WH TRANSM
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