ATSAM3S datasheet(9/65 Pages) ATMEL

9 / 65 page

6500AS–ATARM–11-Dec-09

SAM3S Summary

Notes:

1. Schmitt Triggers can be disabled through PIO registers.

2. Some PIO lines are shared with System IOs.

3. Refer to the USB sub section in the product Electrical Characteristics Section for Pull-down value in USB Mode.

4. See Section 5.3 “Typical Powering Schematics” for restriction on voltage range of Analog Cells.

Fast Flash Programming Interface - FFPI

PGMEN0-PGMEN2

Programming Enabling

Input

VDDIO

PGMM0-PGMM3

Programming Mode

Input

VDDIO

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

USB Full Speed Device

DDM

USB Full Speed Data -

Analog,

Digital

VDDIO

Reset State:

- USB Mode

- Internal Pull-down(3)

DDP

USB Full Speed Data +

Table 3-1.

Signal Description List (Continued)

Signal Name

Function

Type

Active

Level

Voltage

reference

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