Atmel SAM4L Xplained Pro User Manual page 15

Table 4-2 Extension Header EXT2
Pin on EXT2 SAM4L pin
1 -
2 -
3 PA07
4 PB02
5 PC08
6 PB10
7 PC04
8 PC05
9 PC06
10 PC09
11 PB14
12 PB15
13 PC26
14 PC27
15 PB11
16 PA22
17 PA21
18 PC30
19 -
20 -
Table 4-3 Extension Header EXT3
Pin on EXT3 SAM4L pin
1 -
2 -
3 PB03
4 PB04
5 PC15
6 PC16
7 PA08
Function Shared functionality
- Communication line to ID chip on
extension board
- GND
ADCIFE/AD[2]
ADCIFE/AD[3]
GPIO
GPIO LCD connector (EXT5)
TC/1/A2
TC/1/B2 LCD connector (EXT5)
EIC/EXTINT[8]
GPIO
TWIMS/3/TWD EXT3, EXT4, and LCD connector
(EXT5)
TWIMS/3/TWCK EXT3, EXT4, and LCD connector
(EXT5)
USART/1/RXD EXT3 and LCD connector (EXT5)
USART/1/TXD EXT3 and LCD connector (EXT5)
SPI/NPCS[2] LCD connector (EXT5)
SPI/MOSI EXT1 and LCD connector (EXT5)
SPI/MISO EXT1 and LCD connector (EXT5)
SPI/SCK EXT1 and LCD connector (EXT5)
- GND
- VCC
Function Shared functionality
- Communication line to ID chip on
extension board
- GND
ADCIFE/AD[4]
ADCIFE/AD[5]
GPIO LCD connector (EXT5)
GPIO LCD connector (EXT5)
TC/0/A0 LCD connector (EXT5)
Atmel SAM4L Xplained Pro [USER GUIDE]
Atmel-42074C-SAM4L-Xplained-Pro_User Guide-11/2015
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