Pin Description and Wiring Diagram
Pin No.
1
2
3
4
5
6
7
8
9
10
11~18
19
20
A
K
Symbol
FGND
VSS
VDD
V0
/WR
/RD
/CE
C/D
VEE
RESET
DBO~DB7
FS
NC
LED+
LED-
External
Connection
Power Supply
Power Supply
Power Supply
Adj. Power Supply
MPU
MPU
MPU
MPU
Power Supply
MPU
MPU
MPU
-
Power Supply
Power Supply
Function Description
Frame Ground
Ground
Power supply for logic (+5.0V)
Power supply for contrast (approx. -7V)
Active LOW Write signal
Active LOW Read signal
Active LOW chip enable
Register select signal C/D=0: DATA C/D=1: COMMAND
Negative voltage output (-10V)
Active LOW reset signal
8-bit Bi-directional data bus
Font Select: 1=6x8 fonts, 0=8x8 fonts
No Connect
Power supply for LED Backlight (+4.2V)
Ground for Backlight
Recommended LCD connector:
2.54mm pitch pins
Backlight connector:
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Mates with:
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[4]
NEWHAVEN [ NEWHAVEN DISPLAY INTERNATIONAL, INC. ]
