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componentes Descripción

fabricante

ATSAM3X

AT91SAM ARM-based Flash MCU

Atmel Corporation 

SAM3X/A

Table 3-1. Signal Description List (Continued)

Signal Name

Function

Type

Active

Level

PIO Controller - PIOA - PIOB - PIOC - PIOD - PIOE

PA0 - PA31

Parallel IO Controller A

I/O

PB0 - PB31

Parallel IO Controller B

I/O

PC0 - PC30

Parallel IO Controller C

I/O

PD0 - PD30

Parallel IO Controller D

I/O

PE0 - PE31

Parallel IO Controller E

I/O

PF0 - PF6

D0 - D15

A0 - A23

NCS0 - NCS7

NWR0 - NWR1

NRD

NWE

NBS0 - NBS1

NWAIT

Parallel IO Controller F

I/O

Data Bus

Address Bus

Chip Select Lines

Write Signal

Read Signal

Write Enable

Byte Mask Signal

External Wait Signal

External Memory Bus

I/O

Output

Static Memory Controller - SMC

Output

Low

Output

Low

Output

Low

Output

Low

Output

Low

Input

Low

Voltage

Reference Comments

VDDIO

•Schmitt Trigger(3)

Reset State:

•PIO Input

•Internal pull-up

enabled

•Schmitt Trigger(4)

Reset State:

•PIO Input

•Internal pull-up

enabled

•Schmitt Trigger(5)

Reset State:

•PIO Input

•Internal pull-up

enabled

•Schmitt Trigger(6)

Reset State:

•PIO Input

•Internal pull-up

enabled

•Schmitt Trigger(7)

Reset State:

•PIO Input

•Internal pull-up

enabled

•Schmitt Trigger(7)

Reset State:

•PIO Input

•Internal pull-up

enabled

Pulled-up input at

reset

0 at reset

11

11057BS–ATARM–13-Jul-12

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