[4]?
?
?
Pin?Description?and?Wiring?Diagram?
Pin?No.?
Symbol?
External?
Connection?
Function?Description
1?
/CS1?
MPU?
Active?LOW
chip?select
2?
/RES?
MPU?
Active?LOW?Reset?signal
3?
A0?
MPU?
Register?select?signal.??0:?instruction;?1:?data?
4?
R/W?
MPU?
Read/write?select?signal.?R/W=1:?Read??R/W=0:?Write?
5?
EP?
MPU?
Operation?enable?signal.
?Falling?edge?triggered.
6?
DB0?
MPU??
Parallel?Interface?
DB0‐DB7:?Bi‐directional?8‐bit?data?bus?
?
Serial?Interface:?
DB0‐DB5:?No?connect?in?serial?mode?
DB6=?Serial?clock?(SCL)?
DB7=?Serial?data?input?(SI)?
7?
DB1?
MPU?
8?
DB2?
MPU?
9?
DB3?
MPU?
10?
DB4?
MPU?
11?
DB5?
MPU?
12?
DB6?
MPU?
13?
DB7?
MPU?
14?
VDD?
Power?Supply?
Power?supply?for?LCD?and??logic?(+3.3V)?
15?
VSS?
Power?Supply?
Ground
16?
VOUT?
Power?Supply?
Connect?to?1uF?cap?to?VSS
17?
CAP3‐?
Power?Supply?
Connect?to?1uF?cap?to?CAP1+?(PIN‐18)
18?
CAP1+?
Power?Supply?
Connect?to?1uF?cap?to?CAP3‐(PIN17)?and?CAP1‐(PIN19)?
19?
CAP1‐?
Power?Supply?
Connect?to?1uF?cap?to?CAP1+?(PIN‐18)
20?
CAP2‐?
Power?Supply?
Connect?to?1uF?cap?to?CAP2+?(PIN‐21)
21?
CAP2+?
Power?Supply?
Connect?to?1uF?cap?to?CAP2‐
(PIN‐20)
22?
V1?
Power?Supply?
1.0uF‐2.2uF?cap?to?VSS
23?
V2?
Power?Supply?
1.0uF‐2.2uF?cap?to?VSS
24?
V3?
Power?Supply?
1.0uF‐2.2uF?cap?to?VSS
25?
V4?
Power?Supply?
1.0uF‐2.2uF?cap?to?VSS
26?
V5?
Power?Supply?
1.0uF‐2.2uF?cap?to?VSS
27?
VR?‐No?Connect
28?
C86?
MPU?
Select?MPU?interface?pin.?C86=H:?6800;?C86=L:?8080?
29?
PS?
MPU?
Parallel/Serial?select.??PS=?H:?Parallel;?PS=L:?Serial?
30?
IRS?
MPU?
Internal?resistor??select?(high?to?use?internal?resistors)?
?? ??
A??Power?Supply?
Power?supply?for?LED?Backlight?(+6.0V)
K??Power?Supply?
Ground?for?Backlight
?
Recommended?LCD?connector:?0.5mm?Pitch,?30?pin?FFC.??Molex?p/n:?52892‐3095?
Backlight?connector:??‐‐???????????Mates?with:??‐‐?
??
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