AT91SAM7X512 datasheet(7/687 Pages) ATMEL

7 / 687 page

6120H–ATARM–17-Feb-09

AT91SAM7X512/256/128 Preliminary

Note:

1. Refer to

Section 6. ”I/O Lines Considerations”.

Analog-to-Digital Converter

AD0-AD3

Analog Inputs

Analog

Digital pulled-up inputs at reset

AD4-AD7

Analog Inputs

Analog

Analog Inputs

ADTRG

ADC Trigger

Input

ADVREF

ADC Reference

Analog

Fast Flash Programming Interface

PGMEN0-PGMEN1

Programming Enabling

Input

PGMM0-PGMM3

Programming Mode

Input

PGMD0-PGMD15

Programming Data

I/O

PGMRDY

Programming Ready

Output

High

PGMNVALID

Data Direction

Output

Low

PGMNOE

Programming Read

Input

Low

PGMCK

Programming Clock

Input

PGMNCMD

Programming Command

Input

Low

CAN Controller

CANRX

CAN Input

Input

CANTX

CAN Output

Output

Ethernet MAC 10/100

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

EF100

Force 100 Mbits/sec.

Output

High

RMII only

Table 3-1.

Signal Description List (Continued)

Signal Name

Function

Type

Active

Level

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