SAM3X datasheet(10/71 Pages) ATMEL

10 / 71 page

11057BS–ATARM–13-Jul-12

SAM3X/A

11057BS–ATARM–13-Jul-12

SAM3X/A

NAND Flash Controller-NFC

NANDOE

NAND Flash Output Enable

Output

Low

NANDWE

NAND Flash Write Enable

Output

Low

NANDRDY

NAND Ready

Input

NANDCLE

NAND Flash Command Line Enable

Output

Low

NANDALE

NAND Flash Address Line Enable

Output

Low

High Speed Multimedia Card Interface HSMCI

MCCK

Multimedia Card Clock

I/O

MCCDA

Multimedia Card Slot A Command

I/O

MCDA0 - MCDA7

Multimedia Card Slot A Data

I/O

MCCDB

Multimedia Card Slot B Command

I/O

MCDB0 - MCDB3

Multimedia Card Slot A Data

I/O

Universal Synchronous Asynchronous Receiver Transmitter USARTx

SCKx

USARTx Serial Clock

I/O

TXDx

USARTx Transmit Data

I/O

RXDx

USARTx Receive Data

Input

RTSx

USARTx Request To Send

Output

CTSx

USARTx Clear To Send

Input

Ethernet MAC 10/100 - EMAC

EREFCK

Reference Clock

Input

RMII only

ETXCK

Transmit Clock

Input

MII only

ERXCK

Receive Clock

Input

MII only

ETXEN

Transmit Enable

Output

ETX0 - ETX3

Transmit Data

Output

ETX0 -

ETX1 only

in RMII

ETXER

Transmit Coding Error

Output

MII only

ERXDV

Receive Data Valid

Input

MII only

ECRSDV

Carrier Sense and Data Valid

Input

RMII only

ERX0 - ERX3

Receive Data

Input

ERX0 -

ERX1 only

in RMII

ERXER

Receive Error

Input

ECRS

Carrier Sense

Input

MII only

ECOL

Collision Detected

Input

MII only

EMDC

Management Data Clock

Output

EMDIO

Management Data Input/Output

I/O

CAN Controller - CANx

Table 3-1.

Signal Description List (Continued)

Signal Name

Function

Type

Active

Level

Voltage

Reference

Comments

SAM3X Datasheet(PDF) 10 Page - ATMEL Corporation

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