Board Description
3.14
PIO Usage
Table 3-1. PIO Controller A
I/O Line
Peripheral A
Peripheral B
Application Usage
Powered by
PA0
PA1
PA2
MC_DA0
MC_CDA
MC_CK
SD/MMC CARD READER
SD/MMC CARD READER
SD/MMC CARD READER
MC_DA0
MC_CDA
MC_CK
VDDIOP
VDDIOP
VDDIOP
PA3
PA4
PA5
PA6
PA7
PA8
PA9
PA10
MC_DA1
MC_DA2
MC_DA3
TXD0
RXD0
SCK0
RTS0
CTS0
TCLK0
TIOA0
TIOB0
RF1
RK1
RK0
SD/MMC CARD READER
SD/MMC CARD READER
SD/MMC CARD READER
RS232 COM PORT
RS232 COM PORT
USB DEVICE
RS232 COM PORT
RS232 COM PORT
MC_DA1
MC_DA2
MC_DA3
TXD0
RXD0
PA8 as USB_CNX
RTS0
CTS0
VDDIOP
VDDIOP
VDDIOP
VDDIOP
VDDIOP
VDDIOP
VDDIOP
VDDIOP
PA11
PA12
TXD1
RXD1
VDDIOP
VDDIOP
PA13
PA14
TXD2
RXD2
TD1
RD1
VDDIOP
VDDIOP
PA15
PA16
PA17
TD0
RD0
AD0
SD/MMC CARD READER
TOUCH SCREEN PANEL
PA15 as MCI_CD
AD0_XR
VDDIOP
VDDIOP
VDDIOP
PA18
PA19
PA20
PA21
PA22
PA23
PA24
PA25
PA26
PA27
PA28
PA29
PA30
PA31
AD1
AD2
AD3
DRXD
DTXD
TWD0
TWCK0
MISO
MOSI
SPCK
NPCS0
RTS2
CTS2
NWAIT
RTS1
CTS1
SCK3
RF0
TF1
TK1
IRQ
TOUCH SCREEN PANEL
TOUCH SCREEN PANEL
TOUCH SCREEN PANEL
SERIAL DEBUG PORT
SERIAL DEBUG PORT
I2C MEMORY
I2C MEMORY
DATAFLASH DEVICE
DATAFLASH DEVICE
DATAFLASH DEVICE
DATAFLASH DEVICE
AD1_XL
AD2_YT
AD3_YB
DRXD
DTXD
TWD0
TWCK0
MISO
MOSI
SPCK
NPCS0
VDDIOP
VDDIOP
VDDIOP
VDDIOP
VDDIOP
VDDIOP
VDDIOP
VDDIOP
VDDIOP
VDDIOP
VDDIOP
VDDIOP
VDDIOP
VDDIOP
AT91SAM9RL-EK Evaluation Board User Guide
3-7
6325C–ATARM–22-Jul-10
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