Atmel AT91SAM7L-STK User Manual

AT91SAM7L-STK Rev. A Starter Kit

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User Guide

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Table of Contents

Section 1

Overview .................................................................................................................... 1-1

1.1 Scope................................................................................................................................. 1-1

1.2 Deliverables ...................................................................................................................... 1-1

1.3 The AT91SAM7L-STK Rev. A Starter Board ..................................................................... 1-1

Section 2

Setting Up the AT91SAM7L-STK Rev. A Board......................................................... 2-1

2.1 Electrostatic Warning ......................................................................................................... 2-1

2.2 Requirements..................................................................................................................... 2-1

2.3 Layout ................................................................................................................................ 2-2

2.4 Powering Up the Board...................................................................................................... 2-2

2.5 Getting Started................................................................................................................... 2-2

2.6 AT91SAM7L-STK Rev. A Block Diagram .......................................................................... 2-3

Section 3

Board Description.......................................................................................................3-1

3.1 AT91SAM7L64/128 Microcontroller ................................................................................... 3-1

3.2 AT91SAM7L64/128 Block Diagram ................................................................................... 3-3

3.3 Memory.............................................................................................................................. 3-4

3.4 Clock Circuitry.................................................................................................................... 3-4

3.5 Reset Circuitry ................................................................................................................... 3-4

3.6 Shut Down controller.......................................................................................................... 3-4

3.7 Power Supply Circuitry.......................................................................................................3-4

3.8 User Interface .................................................................................................................... 3-4

3.9 Debug Interface ................................................................................................................. 3-4

3.10 Expansion Slot................................................................................................................... 3-4

3.11 PIO Usage ......................................................................................................................... 3-5

Section 4

Configuration..............................................................................................................4-1

4.1 Configuration Straps .......................................................................................................... 4-1

Section 5

Schematics.................................................................................................................5-1

Section 6

Errata..........................................................................................................................6-1

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Table of Contents (Continued)

6.1 Q1 Footprint Incorrect ........................................................................................................ 6-1

6.2 MAX3318 Control Pull-ups................................................................................................. 6-2

Section 7

Revision History .........................................................................................................7-1

ii AT91SAM7L-STK Rev. A Starter Kit User Guide

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1.1 Scope

The AT91SAM7L-STK rev.A starter kit enables evaluation capabilities and code development of applica­tions running on an AT91SAM7L64/128.

This guide focuses on the AT91SAM7L-STK rev.A board as an evaluation platform.

1.2 Deliverables

The AT91SAM7L-STK rev.A package contains the following items:

 An AT91SAM7L-STK rev.A board
 Two AAA batteries

1.3 The AT91SAM7L-STK Rev. A Starter Board

The board is equipped with an AT91SAM7L128 (128-lead LQFP package) together with the following:

Section 1
Overview

 One DBGU serial communication port
 One ZIGBEE extension connector
 One JTAG/ICE debug interface
 Five user- input push buttons
 One WakeUP input push button
 One Reset Push Button
 One Battery Socket for two AAA batteries
 One 400 segments dot matrix LCD

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2.1 Electrostatic Warning

The AT91SAM7L-STK rev.A starter board is shipped in a protective anti-static package. The board must
not be subjected to high electrostatic potentials. A grounding strap or similar protective device should be
worn when handling the board. Avoid touching the component pins or any other metallic element.

2.2 Requirements

In order to set up the AT91SAM7L-STK rev.A starter board, the following items are needed:

 The AT91SAM7L-STK rev.A starter board
 Two AAA batteries

Section 2

Setting Up the AT91SAM7L-STK Rev. A Board

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Setting Up the AT91SAM7L-STK Rev. A Board

2.3 Layout

Figure 2-1. AT91SAM7L-STK Rev. A Board Layout

2.4 Powering Up the Board

The AT91SAM7L-STK rev.A requires 3.0V (2.2V-3.6V) DC input. The power is supplied to the board via
2 AAA batteries or 3.0V VCC pads.

2.5 Getting Started

Please refer to the AT91SAM product pages on the Atmel web site, for the most up-to-date information
on getting started with the AT91SAM7L-STK rev.A.

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2.6 AT91SAM7L-STK Rev. A Block Diagram

Figure 2-2. AT91SAM7L-STK Block Diagram

Setting Up the AT91SAM7L-STK Rev. A Board

PC[0..29]

AD[0..3]

PA[0..25]

PB[0..23]

PC[0..29]

Interfaces

PC[0..29]

Interfaces

Processor

AD[0..3]

PA[0..25]

PB[0..23]

PC[0..29]

ERASE

Processor

SHEET 2

'%*8

56=,*%((

SHEET 4

AD[0..3]

PA[0..25]

PB[0..23]

PC[0..29]

LCD, KBD

AD[0..3]

PA[0..25]

PB[0..23]

PC[0..29]

ERASE

LCD, KBD

SHEET 3

AT91SAM7L-STK Rev. A Starter Kit User Guide 2-3

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