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SAM4E-EK User Guide
42067A
−
SAM4E
−
01/2013
23
5.
Configuration
This chapter describes the PIO usage, the jumpers, the test points and the solder drops of an Atmel SAM4E-EK board.
5.1
PIO usage
Table 5-1. PIO Port A pin assignments and signal descriptions.
IO line
Peripheral A
Peripheral B
Peripheral C
Extra function
SYSIO and
GPIO
Comments
PA0
PWMH0
TIOA0
A17
WKUP0
LED_TIMER (Blue)
PA1
PWMH1
TIOB0
A18
WKUP1
BUTTON_SCROLL-UP
PA2
PWMH2
DATRG
WKUP2
BUTTON_SCROLL-DOWN
PA3
TWD0
NPCS3
QTouch_SDA
PA4
TWCK0
TCLK0
WKUP3
QTouch_SCL
PA5
NPCS3
URXD1
WKUP4
ZIGB_SEL#, SPI FLASH_CS#
PA6
PCK0
UTXD1
SD_CD
PA7
PWMH3
XIN32
XIN32
PA8
AFE0_ADTRG
WKUP5
XOUT32
XOUT32
PA9
URXD0
NPCS1
PWMFI0
WKUP6
DBGU_ROUT
PA10
UTXD0
NPCS2
DBGU_TIN
PA11
NPCS0
PWMH0
WKUP7
TOUCH_CS#
PA12
MISO
PWMH1
TOUCH_DOUT, ZIGB_MISO,
SPI FLASH_SO
PA13
MOSI
PWMH2
TOUCH_DIN, ZIGB_MOSI,
SPI FLASH_SI
PA14
SPCK
PWMH3
WKUP8
TOUCH_DCLK, ZIGB_SCLK,
SPI FLASH_SCK
PA15
TIOA1
PWML3
WKUP14/PIODCEN1
ZIGB_SLP_TR
PA16
TIOB1
PWML2
WKUP15/PIODCEN2
TOUCH_PENIRQ#,
ZIGB_MISC
PA17
PCK1
PWMH3
AFE0_AD0
TOUCH_BUZY, ZIGB_IRQ
PA18
PCK2
A14
AFE0_AD1
ZIGB_RST#
PA19
PWML0
A15
AFE0_AD2/WKUP9
BUTTON_WAKU
PA20
PWML1
A16
AFE0_AD3/WKUP10
BUTTON_TAMP
PA21
RXD1
PCK1
AFE1_AD2
RS232_RXD, RS485_RXD
PA22
TXD1
NPCS3
NCS2
AFE1_AD3
RS232_TXD, RS485_TXD
PA23
SCK1
PWMH0
A19
PIODCCLK
RS232_EN#
PA24
RTS1
PWMH1
A20
PIODC0
RS232_RTS, RS485_DE
PA25
CTS1
PWMH2
A23
PIODC1
RS232_CTS, RS485_RE#
PA26
DCD1
TIOA2
MCDA2
PIODC2
SD_DAT2
PA27
DTR1
TIOB2
MCDA3
PIODC3
SD_DAT3
PA28
DSR1
TCLK1
MCCDA
PIODC4
SD_CMD
PA29
RI1
TCLK2
MCCK
PIODC5
SD_CLK
PA30
PWML2
NPCS2
MCDA0
WKUP11/PIODC6
SD_DAT0
PA31
NPCS1
PCK2
MCDA1
PIODC7
SD_DAT1
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