15 | |||
|
|
|
|
System reset
External battery
Speaker
Power button
¾VGA monitor (from pin 10 to pin 18)
Table 3 shows the connector pin out.
Table 3. J4 Multifunction/VGA connector
| PIN |
| SIGNAL |
| SIGNAL |
| PIN |
| FUNCTION |
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
| GND_SRV |
| VDD_SRV |
| 2 |
|
|
|
|
|
| (+5V) |
|
|
|
| |||
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
| |
| 3 |
| KBDAT |
| KBCLK |
| 4 |
| MULTIF. |
|
|
|
|
|
|
|
|
|
|
|
|
| 5 |
| MSDAT |
| MSCLK | 6 |
|
|
| |
|
|
|
|
|
|
|
|
|
| |
| 7 |
| BAT_IN |
| SPKR | 8 |
|
|
| |
9 | RES_PB_IN | GND_VGA | 10 |
| 11 |
| HSYNC |
| VSYNC |
| 12 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 13 |
| RED_VGA |
| GREEN_VGA |
| 14 |
| VGA |
|
|
|
|
|
|
|
|
|
|
| |
| 15 |
| DDC1_SCL |
| DDC0_SDA |
| 16 | |||
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
| 17 |
| GNDA_VGA |
| BLUE_VGA | 18 |
|
|
|
Multifunction Connector Section
This section of the connector implements the following functions:
Keyboard
An AT compatible keyboard can be connected to the module through connector J4. Table 4 lists the
Table 4.Keyboard connector table
Pin # |
| Signal |
1 | GND |
2 | +5V |
3 | KBDAT |
4 | KBCLK |
Function
Ground signal
Power supply
Keyboard data
Keyboard clock
Mouse Connector Section
A PS/2 compatible mouse can be connected to the J4 connector. Table 5 shows the
Table 5. J4 for Mouse connector
Pin # |
| Signal |
| Function |
|
|
|
|
|
1 |
| GND |
| Ground signal |
|
|
2 | +5V | Power supply |
5 | MSDAT | Mouse data |
6 | MSCLK | Mouse clock |
