[4]?
?
Pin?Description?
Pin?No.?
Symbol?
External?
Connection?
Function?Description
1?
VSS?
Power?Supply?
Ground
2?
VDD?
Power?Supply?
Supply?Voltage?(+3.3V)
3?
V0?
Adj?Power?Supply?
Adj.?Power?Supply?for?contrast?(approx.?‐18.8V)
4?
A0?
MPU?
Register?Select?signal.?A0=0:?Command,??A0=1:?Data?
5?
/WR?
R/W?
MPU?
8080:?Active?LOW?Write?signal
6800:?Read/Write?select?signal,?R/W=1:?Read??R/W=0:?Write?
6?
/RD?
E?
MPU?
8080:?Active?LOW?Read?signal
6800:?Operation?Enable?signal.?Falling?edge?triggered.?
7‐14?
DB0‐DB7?
MPU?
8‐bit?bi‐directional?data?bus
15?
/CS?
MPU?
Active?LOW?Chip?Select?signal
16?
/RESET?
MPU?
Active?LOW?Reset?signal
17?
VEE?
Power?Supply?
Negative?voltage?output?(‐25V)
18??
NC?‐No?Connect
19?
NC?‐No?Connect
20?
NC?‐No?Connect
?
Recommended?LCD?connector:?1.0mm?pitch,?20‐pos?FFC?connector?
Backlight?connector:?JST?p/n:?XHP‐3?????????????Mates?with:??JST?p/n:?B?3B‐XH‐A?
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