Connectors
DB9 male connector UART1 (P35)
Pin No. | Symbol |
2 | RxD |
3 | TxD |
5 | GND |
7 | RTS |
8 | CTS |
The serial port is configured as a standard RS232 interface with RTS/CTS control. Cross female to female cable is needed for connection with PC computer COM port.
16-pin LCD connector (P21)
Top View
Pin Assignment for Crystal Clear technology CMC216x04 or EDT EW162B0GLY LCD
Pin No. | Symbol | Function |
1 | GND | Ground Terminal |
2 | Vdd | Supply Terminal |
3 | Vo | Power Supply for LCD Driver |
4 | RS | Register Select Signal |
5 | R/W | Read/Write Selection |
6 | E | Enable Signal |
7 | DB0 | Data Bus Line (Not used) |
8 | DB1 | Data Bus Line (Not used) |
9 | DB2 | Data Bus Line (Not used) |
10 | DB3 | Data Bus Line (Not used) |
11 | DB4 | Data Bus Line |
12 | DB5 | Data Bus Line |
13 | DB6 | Data Bus Line |
14 | DB7 | Data Bus Line |
15 | BL+ | LED Backlight Power Supply |
16 | BL- | LED Backlight Ground |
Verify polarity of LED backlight on your LCD display!
© iSYSTEM, March 2007 | 7/13 |