[6]
Pin Description
CON2:
Pin No.
Symbol
External
Connection
Function Description
1
GND
Power Supply
Ground
2
VDD
Power Supply
Power supply for LCD and logic (3.3V)
3
NC
-
No Connect
4
D/C#
MPU
Register Select signal: 1=Data, 0= Command
5
WR#
MPU
Active LOW Write signal, 8080 MPU interface
6
RD#
MPU
Active LOW Read signal, 8080 MPU interface
7-14
[DB0-DB7]
MPU
Bi-directional data bus lines
15
CS#
MPU
Active LOW Chip Select signal
16
RES#
MPU
Active LOW Reset signal
17
NC
-
No Connect
18
R/L
-
Scan direction 1: Right (Tied internally)
19
U/D
-
Scan direction 0: Down (Tied internally)
20
NC
-
No Connect
Recommended LCD connector: 1.0mm pitch 20-Conductor FFC. Molex 52271-2079
Backlight connector:
JST p/n: XHP-3 Mates with: JST p/n: S3B-XH-SM3-TB
Backlight:
Pin No.
Symbol
External
Connection
Function Description
1
VDD
Power Supply
Red, LED Anode (140mA @ 9.9V)
2
NC
-
No Connect
3
GND
Power Supply
White, LED Cathode
Backlight connector:
JST p/n: XHP-3 Mates with: JST p/n: B 3B-XH-A
Touch Panel:
Pin No.
Symbol
External
Connection
Function Description
1
X-
Touch Controller
RIGHT
2
X+
Touch Controller
LEFT
3
Y-
Touch Controller
BOTTOM
4
Y+
Touch Controller
TOP
Recommended Touch panel connector:
2.54mm pitch Standard Pin Headers