4.2.2 QT1 Xplained Pro SC Extension Headers
QT1 Xplained Pro SC implements two Xplained Pro standard extension headers marked with EXT1 and EXT2 in silkscreen. These headers makes it possible to connect the board to a Xplained Pro MCU board with a MCU featuring a PTC module. The pin-out definition for the extension headers can be seen in the tables below.
| Pin on EXT | Function | Description |
|---|---|---|
| 1 | ID | Communication line to ID chip. |
| 2 | GND | Ground |
| 3 | Y_1 | Y-line 1 for Slider |
| 4 | Y_2 | Y-line 2 for Slider |
| 5 | Y_3 | Y-line 3 for Slider |
| 6 | Y_4 | Y-line 4 for Wheel |
| 7 | LED_0 | Slider, LED 0 (Yellow) |
| 8 | LED_1 | Slider, LED 1 (Yellow) |
| 9 | Y_5 | Y-line 5 for Wheel |
| 10 | Y_6 | Y-line 6 for Wheel |
| 11 | Not Connected | |
| 12 | Not Connected | |
| 13 | Not Connected | |
| 14 | Not Connected | |
| 15 | LED_2 | Slider, LED 2 (Yellow) |
| 16 | Y_7 | Y-line 7 for Button 2 |
| 17 | LED_3 | Slider, LED 3 (Yellow) |
| 18 | Y_8 | Y-line 8 for Button 1 |
| 19 | GND | Ground |
| 20 | VCC | Target supply voltage |
| Pin on EXT | Function | Description |
|---|---|---|
| 1 | Not Connected | |
| 2 | GND | Ground |
| 3 | LED_4 | Slider, LED 4 (Yellow) |
| 4 | LED_5 | Slider, LED 5 (Yellow) |
| 5 | LED_6 | Slider, LED 6 (Yellow) |
| 6 | LED_7 | Slider, LED 7 (Yellow) |
| 7 | LED_8 | Button 1, LED 8 (Yellow) |
| 8 | LED_9 | Button 2, LED 9 (Yellow) |
| 9 | LED_R | Wheel, RGB LED (Red) |
| 10 | LED_G | Wheel, RGB LED (Green) |
| 11 | Not Connected | |
| 12 | Not Connected | |
| 13 | Not Connected | |
| 14 | Not Connected | |
| 15 | LED_B | Wheel, RGB LED (Blue) |
| 16 | Not Connected | |
| 17 | Not Connected | |
| 18 | Not Connected | |
| 19 | GND | Ground |
| 20 | VCC | Target supply voltage |
