SAM3X datasheet(9/71 Pages) ATMEL

9 / 71 page

11057BS–ATARM–13-Jul-12

SAM3X/A

11057BS–ATARM–13-Jul-12

SAM3X/A

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

PA0 - PA31

Parallel IO Controller A

I/O

VDDIO

•Schmitt Trigger(3)

Reset State:

•PIO Input

•Internal pull-up

enabled

PB0 - PB31

Parallel IO Controller B

I/O

•Schmitt Trigger(4)

Reset State:

•PIO Input

•Internal pull-up

enabled

PC0 - PC30

Parallel IO Controller C

I/O

•Schmitt Trigger(5)

Reset State:

•PIO Input

•Internal pull-up

enabled

PD0 - PD30

Parallel IO Controller D

I/O

•Schmitt Trigger(6)

Reset State:

•PIO Input

•Internal pull-up

enabled

PE0 - PE31

Parallel IO Controller E

I/O

•Schmitt Trigger(7)

Reset State:

•PIO Input

•Internal pull-up

enabled

PF0 - PF6

Parallel IO Controller F

I/O

•Schmitt Trigger(7)

Reset State:

•PIO Input

•Internal pull-up

enabled

External Memory Bus

D0 - D15

Data Bus

I/O

Pulled-up input at

reset

A0 - A23

Address Bus

Output

0 at reset

Static Memory Controller - SMC

NCS0 - NCS7

Chip Select Lines

Output

Low

NWR0 - NWR1

Write Signal

Output

Low

NRD

Read Signal

Output

Low

NWE

Write Enable

Output

Low

NBS0 - NBS1

Byte Mask Signal

Output

Low

NWAIT

External Wait Signal

Input

Low

Table 3-1.

Signal Description List (Continued)

Signal Name

Function

Type

Active

Level

Voltage

Reference

Comments

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