Atmel SAM4L Xplained Pro User Manual page 16

Pin on EXT3 SAM4L pin
8 PA09
9 PA06
10 PA10
11 PB14
12 PB15
13 PC26
14 PC27
15 PA17
16 PA20
17 PA19
18 PA18
19 -
20 -
Table 4-4 Extension Header EXT4
Pin on EXT4 SAM4L pin
1 -
2 -
3 PB05
4 PC10
5 PC17
6 PC18
7 PA12
8 PA13
9 PA16
10 PA15
11 PB14
12 PB15
13 PB00
14 PB01
Function Shared functionality
TC/0/B0 LCD connector (EXT5)
EIC/EXTINT[1]
GPIO LCD connector (EXT5)
TWIMS/3/TWD EXT2, EXT4, and LCD connector
(EXT5)
TWIMS/3/TWCK EXT2, EXT4, and LCD connector
(EXT5)
USART/1/RXD EXT2 and LCD connector (EXT5)
USART/1/TXD EXT2 and LCD connector (EXT5)
GPIO LCD connector (EXT5)
UART/2/TXD EXT4 and LCD connector (EXT5)
UART/2/RXD EXT4 and LCD connector (EXT5)
UART/2/CLK EXT4 and LCD connector (EXT5)
- GND
- VCC
Function Shared functionality
- Communication line to ID chip on
extension board
- GND
ADCIFE/AD[6]
ADCIFE/AD[7] USB_ID
GPIO LCD connector (EXT5)
GPIO LCD connector (EXT5)
TC/0/A2 LCD connector (EXT5)
TC/0/B2 LCD connector (EXT5)
GPIO LCD connector (EXT5)
GPIO LCD connector (EXT5)
TWIMS/3/TWD EXT2, EXT3, and LCD connector
(EXT5)
TWIMS/3/TWCK EXT2, EXT3, and LCD connector
(EXT5)
USART/0/RXD EXT1
USART/0/TXD EXT1
Atmel SAM4L Xplained Pro [USER GUIDE]
Atmel-42074C-SAM4L-Xplained-Pro_User Guide-11/2015
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