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.

Table 4-4. QT1 Xplained Pro SC Extension Header 1
Pin on EXTFunctionDescription
1IDCommunication line to ID chip.
2GNDGround
3Y_1Y-line 1 for Slider
4Y_2Y-line 2 for Slider
5Y_3Y-line 3 for Slider
6Y_4Y-line 4 for Wheel
7LED_0Slider, LED 0 (Yellow)
8LED_1Slider, LED 1 (Yellow)
9Y_5Y-line 5 for Wheel
10Y_6Y-line 6 for Wheel
11Not Connected
12Not Connected
13Not Connected
14Not Connected
15LED_2Slider, LED 2 (Yellow)
16Y_7Y-line 7 for Button 2
17LED_3Slider, LED 3 (Yellow)
18Y_8Y-line 8 for Button 1
19GNDGround
20VCCTarget supply voltage
Table 4-5. QT1 Xplained Pro SC Extension Header 2
Pin on EXTFunctionDescription
1Not Connected
2GNDGround
3LED_4Slider, LED 4 (Yellow)
4LED_5Slider, LED 5 (Yellow)
5LED_6Slider, LED 6 (Yellow)
6LED_7Slider, LED 7 (Yellow)
7LED_8Button 1, LED 8 (Yellow)
8LED_9Button 2, LED 9 (Yellow)
9LED_RWheel, RGB LED (Red)
10LED_GWheel, RGB LED (Green)
11Not Connected
12Not Connected
13Not Connected
14Not Connected
15LED_BWheel, RGB LED (Blue)
16Not Connected
17Not Connected
18Not Connected
19GNDGround
20VCCTarget supply voltage