14 pio usage, 14 pio usage -7 – Atmel Evaluation Board AT91SAM9XE-EK User Manual

Page 17

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AT91SAM9XE-EK Evaluation Board User Guide

3-7

6311A–ATARM–04-Feb-08

3.14

PIO Usage

Table 3-1. PIO Controller A

I/O Line

Peripheral A

Peripheral B

Comments

Function

PA0

SPI0_MISO

MCDB0

SPI DATAFLASH, SPI/MCI SD/MMC/DATAFLASH Slot

PA1

SPI0_MOSI

MCCDB

(PA0..PA5)

PA2

SPI0_SPCK

PA3

SPI0_NPCS0

MCDB3

PA4

RTS2

MCDB2

PA5

CTS2

MCDB1

PA6

MCDA0

User LED

PA7

MCCDA

ETHERNET DM9161A MII/RMII (IRQ)

PA8

MCCK

MCI SD/MMC/DATAFLASH Slot

PA9

MCDA1

Power LED

PA10

MCDA2

ETX2

ETHERNET DM9161A MII Interface (PA10..PA11)

PA11

MCDA3

ETX3

PA12

ETX0

ETHERNET DM9161A RMII Interface (PA12..PA19)

PA13

ETX1

PA14

ERX0

PA15

ERX1

PA16

ETXEN

PA17

ERXDV

PA18

ERXER

PA19

ETXCK

PA20

EMDC

ETHERNET DM9161A MII/RMII Interface (PA20..PA21)

PA21

EMDIO

PA22

ADTRG

ETXER

ETHERNET DM9161A MII Interface

PA23

TWD

ETX2

SERIAL EEPROM (SDA)

PA24

TWCK

ETX3

SERIAL EEPROM (SCL)

PA25

TCLK0

ERX2

ETHERNET DM9161A MII Interface (PA25..PA29)

PA26

TIOA0

ERX3

High-Drive

PA27

TIOA1

ERXCK

High-Drive

PA28

TIOA2

ECRS

High-Drive

PA29

SCK1

ECOL

PA30

SCK2

RXD4

(BP3) User's interface Push Button

PA31

SCK0

TXD4

(BP4) User's interface Push Button

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