Configuration; Pio Usage - Atmel SAM3N-EK User Manual

Note:
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

Table 4-1. PIO Port A Assignment
I/O Line Peripheral A
PA0 PWM0
PA1 PWM1
PA2 PWM2
PA3 TWD0
PA4 TWCK0
PA5 RXD0
PA6 TXD0
PA7 RTS0
PA8 CTS0
PA9 URXD0
PA10 UTXD0
PA11 NPCS0
SAM3N-EK Development Board User Guide
All PIO lines are available on these expansion connectors, except those that are used for
the QTouch elements.
PB[0..14]
PA[0..31]
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PA8
PA9
PA10
PA11
PA12
PA13
PA14
PA15
+3V3
PC[0..31]
Peripheral B Peripheral C
TIOA0
TIOB0
SCK0 DATRG
NPCS3
TCLK0
NPCS3
PCK0
PWM3
ADTRG
NPCS1
NPCS2
PWM0
JP8 JP8
+3V3 +5V
1 3
J5 J5
1 2
3 4
5 6
PA16
7 8 PA17
9 10 PA18
11 12 PA19
13 14 PA20
15 16
PA21
17 18
PA22
19 20
PA23
21 22
PA24
23 24 PA25
25 26
PA26
27 28
PA27
29 30
PA28
31 32
PA29
33 34
PA30
35 36 PA31
37 38
39 40
+3V3
DGND DGND
Extra Function
WKUP00
WKUP01
WKUP02
WKUP03
WKUP04
WKUP05
WKUP06
WKUP07
Evaluation Kit Hardware
JP9 JP9
+3V3 +5V
1 3
J6 J6
1 2
3 4
PB0 PB7
5 6
PB1 PB10
PB2 7 8 PB11
PB3 9 10 PB12
PB4 11 12 PB13
PB5 13 14 PB14
15 16
PB6 PC6
17 18
PC12 PC22
19 20
PC13 PC23
21 22
PC14 PC24
PC15 23 24 PC25
25 26
PC16 PC26
27 28
PC17 PC27
29 30
PC18 PC28
31 32
PC19 PC29
33 34
PC20 PC30
PC21 35 36 PC31
37 38
39 40
+3V3 +3V3
DGND
DGND
EK Usage
POWER LED
CMD_SOUND
XIN32
XOUT32
RX_UART0
TX_UART0
SPI_NPCS0#
Device
Led Red
BUZZER
32K Crystal
32K Crystal
UART
UART
MicroSD
4-9
11080C–ATARM–30-Mar-11