Other Headers

In addition to the Xplained Pro standard extension headers, SAM4N Xplained Pro has three additional headers with spare signals that offers access to the I/O of the microcontroller that are otherwise not easily available elsewhere or might be favorable to have collected together. All headers have a pitch of 2.54mm.

Table 1. SPARE SIGNALS Header 1
Pin on header SAM4N pin Function Shared functionality
1 PA4 TWCK0 EXT1, EXT3
2 PA28 TCLK1  
3 PA29 TCLK2  
4 PC25 TCLK3  
5 PC28 TCLK4  
6 PC31 TCLK5  
7 PC16 PCK0  
8 PC17 PCK1  
9 PA31 PCK2  
10 PB4 PWM2  
11 - - VCC
12 - - GND
Table 2. SPARE SIGNALS Header 2
Pin on header SAM4N pin Function Shared functionality
1 PA15 UTXD2  
2 PA16 URXD2  
3 PC5 GPIO  
4 PC6 GPIO  
5 PC11 GPIO  
6 PC22 GPIO  
7 PC23 TIOA3 EXT1
8 PC24 TIOB3 EXT1
9 PA25 GPIO EXT1
10 PC12 AD12  
11 - - VCC
12 - - GND
Table 3. SPARE SIGNALS Header 3
Pin on header SAM4N pin Function Shared functionality
1 PC13 AD10  
2 PC15 AD11  
3 PA2 DATRG  
4 PB13 DAC0  
5 - - VCC
6 - - GND
Parent topic: Connectors