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
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