Atmel SAM4L8 Xplained Pro, User Manual

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Table 4-2. Extension Header EXT2
Pin on EXT2 SAM4L8 pin Function Shared functionality
1 - - Communication line to ID chip on
extension board
2 - - GND
3 PA07 ADCIFE/AD[2]
4 PB02 ADCIFE/AD[3]
5 PC08 GPIO
6 PB10 GPIO LCD connector (EXT5)
7 PC04 TC/1/A2
8 PC05 TC/1/B2 LCD connector (EXT5)
9 PC06 EIC/EXTINT[8]
10 PC09 GPIO
11 PB14 TWIMS/3/TWD EXT3, EXT4, and LCD connector
(EXT5)
12 PB15 TWIMS/3/TWCK EXT3, EXT4, and LCD connector
(EXT5)
13 PC26 USART/1/RXD EXT3 and LCD connector (EXT5)
14 PC27 USART/1/TXD EXT3 and LCD connector (EXT5)
15 PB11 SPI/NPCS[2] LCD connector (EXT5)
16 PA22 SPI/MOSI EXT1 and LCD connector (EXT5)
17 PA21 SPI/MISO EXT1 and LCD connector (EXT5)
18 PC30 SPI/SCK EXT1 and LCD connector (EXT5)
19 - - GND
20 - - VCC
Table 4-3. Extension Header EXT3
Pin on EXT3 SAM4L8 pin Function Shared functionality
1 - - Communication line to ID chip on
extension board
2 - - GND
3 PB03 ADCIFE/AD[4]
4 PB04 ADCIFE/AD[5]
5 PC15 GPIO LCD connector (EXT5)
6 PC16 GPIO LCD connector (EXT5)
7 PA08 TC/0/A0 LCD connector (EXT5)
Atmel SAM4L8 Xplained Pro [USER GUIDE]
Atmel-42103B-SAM4L8-Xplained-Pro_User Guide-04/2016
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