Other Headers - Atmel SAM4N Xplained Pro User Manual

Pin on EXT2
10
11
12
13
14
15
16
17
18
19
20
Table 4-3. Extension header EXT3
Pin on EXT3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
4.1.2

Other headers

In addition to the
with spare signals that offers access to the I/O of the microcontroller which are otherwise not easily available
elsewhere or might be favourable to have collected toghether. All headers have a pitch of 2.54mm.
Table 4-4. SPARE SIGNALS header 1
Pin on header
1
2
3
SAM4N pin
PC8
PB0
PB1
PA5
PA6
PC4
PA13
PA12
PA14
-
-
SAM4N pin
-
-
PC29
PC30
PC2
PC3
PA26
PA27
PB2
PB3
PA3
PA4
PB10
PB11
PC7
PA13
PA12
PA14
-
-
"I/O extension headers" on page
SAM4N pin
PA4
PA28
PA29
Function Shared functionality
GPIO
TWD2 EDBG
TWCK2 EDBG
RXD0
TXD0
NPCS1
SPI_MOSI EXT1, EXT3
SPI_MISO EXT1, EXT3
SPI_SCK EXT1, EXT3
- GND
- VCC
Function Shared functionality
- Communication line to ID chip on
extension board.
- GND
AD13
AD14
GPIO
GPIO
TIOA2
TIOB2
WKUP12
GPIO
TWD0 EXT1
TWCK0 EXT1, SPARE HEADER1
URXD3
UTXD3
NPCS2
SPI_MOSI EXT1, EXT2
SPI_MISO EXT1, EXT2
SPI_SCK EXT1, EXT2
- GND
- VCC
9, SAM4N Xplained Pro has two additional headers
Function Shared functionality
TWCK0 EXT1, EXT3
TCLK1
TCLK2
Atmel SAM4N Xplained Pro [USER GUIDE] 10
42104A-MCU-06/2013