4.2.2 Segment LCD Connector

Extension connector EXT5 is a special connector for segment LCD displays. SAM L22 Xplained Pro implements one segment LCD extension connector for Xplained Pro extensions and supports up to eight COM, twenty seven SEG and six touch signals. The connector has a standardized pin-out as shown in the table below.

Table 4-4. Segment LCD Display Connector EXT5
EXT5 pinSAM L22 pinFunctionShared functionality
1 [COM3]PC06SLCD/ LP[9]Shield
2 [COM2]PC05SLCD/ LP[8]Shield
3 [COM1]PA07SLCD/ LP[7]Shield and EXT3
4 [COM0]PA06SLCD/ LP[6]Shield and EXT3
5 [SEG0]PA11SLCD/ LP[14]EXT3
6 [SEG1]PC08SLCD/ LP[15]
7 [SEG2]PC09SLCD/ LP[16]
8 [SEG3]PC10SLCD/ LP[17]
9 [SEG4]PC11SLCD/ LP[18]Shield and Shield (2)
10 [SEG5]PC12SLCD/ LP[19]Shield and Shield (2)
11 [SEG6]PC13SLCD/ LP[20]Shield and Shield (2)
12 [SEG7]PB11SLCD/ LP[21]Shield
13 [SEG8]PB12SLCD/ LP[22]Shield
14 [SEG9]PB13SLCD/ LP[23]Shield
15 [SEG10]PB14SLCD/ LP[24]Shield
16 [SEG11]PB15SLCD/ LP[25]Shield
17 [SEG12]PC14SLCD/ LP[26]Shield
18 [SEG13]PC15SLCD/ LP[27]Shield
19 [SEG14]PA14SLCD/ LP[30]EXT3
20 [SEG15]PA15SLCD/ LP[31]EXT3
21 [SEG16]PC16SLCD/ LP[36]EXT3
22 [SEG17]PC17SLCD/ LP[37]EXT3
23 [SEG18]PC18SLCD/ LP[38]
24 [SEG19]PC19SLCD/ LP[39]
25 [SEG20]PC20SLCD/ LP[40]
26 [SEG21]PC21SLCD/ LP[41]
27 [SEG22]PB16SLCD/ LP[42]EXT3
28 [SEG23]PB17SLCD/ LP[43]EXT3
29 [SEG24]PB18SLCD/ LP[44]EXT3
30 [SEG25]PB19SLCD/ LP[45]EXT3
31 [SEG26]PB20SLCD/ LP[46]Shield
32 [SEG27]-
33 [SEG28]-
34 [SEG29]-
35 [SEG30]-
36 [SEG31]-
37 [SEG32/QT_X2 ]PB07PTC/XY[13]
38 [SEG33/QT_Y2]PB04PTC/XY[10]EDBG GPIO0, EXT2, and XAM
39 [SEG34/QT_X1]PB06PTC/XY[12]QTBTN1
40 [SEG35/QT_Y1]PB05PTC/XY[11]EDBG GPIO1, EXT2, and XAM
41 [SEG36/QT_X0]PC28PTC/XY[20]EXT2
42 [SEG37/QT_Y0]PA27PTC/XY[21]EXT2
43 [COM4]PC07SLCD/ LP[10]Shield
44 [COM5]PA08SLCD/ LP[11]EXT3
45 [COM6]PA09SLCD/ LP[12]EXT3
46 [COM7]PA10SLCD/ LP[13]EXT3
47 [Backlight V+]-VCC_P3V3
48 [Backlight V-]-GND
49 [Backlight CTRL]PC27TC3/WO[1]User LED0
50 [ID]-Xplained Pro IDCommunication line to ID chip on extension board
51 [GND]-GND