ATSAM3X 查看數據表（PDF） - Atmel Corporation

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ATSAM3X

AT91SAM ARM-based Flash MCU

Atmel Corporation 

Table 3-1. Signal Description List (Continued)

Signal Name

Function

Type

Active

Level

Voltage

Reference Comments

NANDOE

NANDWE

NANDRDY

NANDCLE

NANDALE

MCCK

MCCDA

MCDA0 - MCDA7

MCCDB

MCDB0 - MCDB3

SCKx

TXDx

RXDx

RTSx

CTSx

EREFCK

ETXCK

ERXCK

ETXEN

ETX0 - ETX3

ETXER

ERXDV

ECRSDV

ERX0 - ERX3

ERXER

ECRS

ECOL

EMDC

EMDIO

NAND Flash Controller-NFC

NAND Flash Output Enable

Output

Low

NAND Flash Write Enable

Output

Low

NAND Ready

Input

NAND Flash Command Line Enable

Output

Low

NAND Flash Address Line Enable

Output

Low

High Speed Multimedia Card Interface HSMCI

Multimedia Card Clock

I/O

Multimedia Card Slot A Command

I/O

Multimedia Card Slot A Data

I/O

Multimedia Card Slot B Command

I/O

Multimedia Card Slot A Data

I/O

Universal Synchronous Asynchronous Receiver Transmitter USARTx

USARTx Serial Clock

I/O

USARTx Transmit Data

I/O

USARTx Receive Data

Input

USARTx Request To Send

Output

USARTx Clear To Send

Input

Ethernet MAC 10/100 - EMAC

Reference Clock

Input

RMII only

Transmit Clock

Input

MII only

Receive Clock

Input

MII only

Transmit Enable

Output

Transmit Data

Output

ETX0 -

ETX1 only

in RMII

Transmit Coding Error

Output

MII only

Receive Data Valid

Input

MII only

Carrier Sense and Data Valid

Input

RMII only

Receive Data

Input

ERX0 -

ERX1 only

in RMII

Receive Error

Input

Carrier Sense

Input

MII only

Collision Detected

Input

MII only

Management Data Clock

Output

Management Data Input/Output

I/O

CAN Controller - CANx

12 SAM3X/A

11057BS–ATARM–13-Jul-12

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