16-pin LCD connector (J21)
Top View
Pin Assignment for Crystal Clear technology CMC216x04 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 |
20-pin JTAG Debug Connector (P3)
Not used | 1 | 2 | T3V3 |
CPU_TRST | 3 | 4 | GND |
CPU_TDI | 5 | 6 | GND |
CPU_TMS | 7 | 8 | GND |
CTCK | 9 | 10 | GND |
Not used | 11 | 12 | GND |
CPU_TDO | 13 | 14 | GND |
CPU_RESET | 15 | 16 | GND |
Not used | 17 | 18 | GND |
Not used | 19 | 20 | GND |
An external JTAG debug tool can be connected to a
© iSYSTEM, December 2005 | 8/16 |
