Datasheet

SAM3X / SAM3A [DATASHEET]
Atmel-11057C-ATARM-SAM3X-SAM3A-Datasheet_23-Mar-15
40
9.3.1 PIO Controller A Multiplexing
Notes: 1. WKUPx can be used if PIO controller defines the I/O line as "input".
2. To select this extra function, refer to Section 43.5.3 “Analog Inputs”.
3. Analog input has priority over WKUPx pin.
Table 9-2. Multiplexing on PIO Controller A (PIOA)
I/O Line Peripheral A Peripheral B Extra Function Comments
PA0 CANTX0 PWML3
PA1 CANRX0 PCK0 WKUP0
(1)
PA2 TIOA1 NANDRDY AD0
(2)
PA3 TIOB1 PWMFI1 AD1/WKUP1
(3)
PA4 TCLK1 NWAIT AD2
(2)
PA5 TIOA2 PWMFI0 WKUP2
(1)
PA6 TIOB2 NCS0 AD3
(2)
PA7 TCLK2 NCS1 WKUP3
(1)
PA8 URXD PWMH0 WKUP4
(1)
PA9 UTXD PWMH3
PA10 RXD0 DATRG WKUP5
(1)
PA11 TXD0 ADTRG WKUP6
(1)
PA12 RXD1 PWML1 WKUP7
(1)
PA13 TXD1 PWMH2
PA14 RTS1 TK
PA15 CTS1 TF WKUP8
(1)
PA16 SPCK1 TD AD7
(2)
PA17 TWD0 SPCK0
PA18 TWCK0 A20 WKUP9
(1)
PA19 MCCK PWMH1
PA20 MCCDA PWML2
PA21 MCDA0 PWML0
PA22 MCDA1 TCLK3 AD4
(2)
PA23 MCDA2 TCLK4 AD5
(2)
PA24 MCDA3 PCK1 AD6
(2)
PA25 SPI0_MISO A18
PA26 SPI0_MOSI A19
PA27 SPI0_SPCK A20 WKUP10
(1)
PA28 SPI0_NPCS0 PCK2 WKUP11
(1)
PA29 SPI0_NPCS1 NRD
PA30 SPI0_NPCS2 PCK1 217 pins
PA31 SPI0_NPCS3 PCK2 217 pins