User manual
Evaluation Kit Hardware
SAM3N-EK Development Board User Guide 4-9
11080C–ATARM–30-Mar-11
Note: All PIO lines are available on these expansion connectors, except those that are used for
the QTouch elements.
Figure 4-15. PIO Expansion
4.4 Configuration
This section describes the PIO usage, the jumpers, the test points and the solder drops of a SAM3N-EK
board.
4.4.1 PIO Usage
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PA8
PA9
PA10
PA11
PA12
PA13
PA14
PA15
PA19
PA17
PA21
PA16
PA20
PA18
PA27
PA29
PA26
PA30
PA31
PA28
PA25
PA24
PA23
PA22 PC12
PC13
PC14
PC15
PC16
PC17
PC18
PC19
PC20
PC21
PB10
PB11
PB12
PC6
PB14
PB13
PC24
PC23
PC22
PC25
PC27
PC26
PC29
PC30
PC31
PC28
PB2
PB1
PB4
PB5
PB6
PB3
PB0 PB7
+3V3 +3V 3 +3V 3+3V 3
DGND DGND DGND
DGND
+3V 3 +5V +5V+3V 3
PA[0..31]
PB[0..14]
PC[0..31]
JP9JP9
1
2
3
JP8JP8
1
2
3
J6J6
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
J5J5
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
Table 4-1. PIO Port A Assignment
I/O Line Peripheral A Peripheral B Peripheral C Extra Function EK Usage Device
PA0 PWM0 TIOA0 WKUP00 POWER LED Led Red
PA1 PWM1 TIOB0 WKUP01 CMD_SOUND BUZZER
PA 2 P W M2 S C K0 DATR G WK UP0 2
PA 3 TW D0 NP CS3 WK UP0 3
PA 4 TW CK0 TC LK0
PA5 RXD0 NPCS3 WKUP04
PA 6 TX D0 P C K0
PA7 RTS0 PWM3 XIN32 32K Crystal
PA8 CTS0 ADTRG WKUP05 XOUT32 32K Crystal
PA9 URXD0 NPCS1 WKUP06 RX_UART0 UART
PA10 UTXD0 NPCS2 TX_UART0 UART
PA11 NPCS0 PWM0 WKUP07 SPI_NPCS0# MicroSD