Atmel AT43DK325 Manuale utente

AT43DK325 USB Controller Development

Kit for AT43USB325/6

...........................................................................................................................

User Guide Revision 1.0

AT43DK325 USB Controller Dev. Kit User Guide i

3430B–USB–3/04

Table of Contents

Section 1

Introduction...........................................................................................1-1

1.1 Features....................................................................................................1-1

1.2 Device Support .........................................................................................1-1

1.3 Documentation..........................................................................................1-2

1.4 Free Downloads........................................................................................1-2

Section 2

Getting Started......................................................................................2-1

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

2.2 Unpacking the System..............................................................................2-1

2.3 System Requirements...............................................................................2-1

2.4 Software Requirements.............................................................................2-1

2.5 Connecting the Hardware .........................................................................2-2

2.6 CD-ROM Contents....................................................................................2-2

2.6.1 USB Wizard Utility ..............................................................................2-3

2.6.2 Code Base Directory ..........................................................................2-4

2.6.3 Application Examples .........................................................................2-4

2.6.4 In - System Programming Tool...........................................................2-4

2.6.5 Binary Files for Uploading ..................................................................2-5

2.7 Checking the Hardware.............................................................................2-5

Section 3

Hardware Description ...........................................................................3-1

3.1 LEDs (D1 to D3)........................................................................................3-1

3.2 5x2 Header JP8 ........................................................................................3-1

3.3 DB25 Female Parallel Port Connector J6.................................................3-2

3.4 8-pin IC Socket U4....................................................................................3-2

3.5 Programmable Logic Device U6 ...............................................................3-2

3.6 4x2 Header General Purpose I/O PORT A/JP1........................................3-2

3.7 4x2 Header General Purpose I/O PORT B/JP2........................................3-2

3.8 4x2 Header General Purpose I/O PORT C/JP3........................................3-2

3.9 4x2 Header General Purpose I/O PORT D/JP4........................................3-2

3.10 4x2 Header General Purpose I/O PORT E/JP5........................................3-2

3.11 2x2 Header General Purpose I/O JP6 ......................................................3-2

3.12 Solid State Power Switch U3 ....................................................................3-3

3.13 Header GND TP1 and TP2.......................................................................3-3

3.14 2x2 Header JP9 ........................................................................................3-3

3.15 Header JH1...............................................................................................3-3

3.16 USB External Downstream Port J2, J3, J4, and J5 Connectors...............3-3

3.17 USB Upstream Port J1 Connector............................................................3-3

Table of Contents

ii AT43DK325 USB Controller Dev. Kit User Guide

3430B–USB–3/04

3.18 Programmable Microcontroller U2 ............................................................3-3

3.19 2x2 Header JP10 ......................................................................................3-3

3.20 Two-wire Serial EEPROM U5...................................................................3-3

Section 4

SEEPROM Loader................................................................................4-1

4.1 Setting Up the Board.................................................................................4-1

4.2 Loading Code............................................................................................4-1

Section 5

Technical Support.................................................................................5-1

Section 6

Appendix...............................................................................................6-1

6.1 AT43USB325 Bill of Materials (BOM).......................................................6-1

6.2 AT43DK325 Schematics...........................................................................6-3

AT43DK325 USB Controller Dev. Kit User Guide 1-1

3430B–USB–3/04

Section 1

Introduction

Congratulations on your purchase of the AT43DK325 USB Development Kit. The

AT43DK325 is a complete starter kit and development system for Atmel’s

AT43USB325x family of AVR®based USB microcontrollers (MCUs). It provides all of

the necessary hardware and firmware components to facilitate rapid prototyping and

firmware development of the AT43USB325x applications.

1.1 Features The AT43DK325 Development Kit consists of the following:

nDevelopment Board for the AT43USB325/6 USB MCUs featuring

– An AT43USB325 full-speed USB controller programmable as a compound

device, a hub only device or a function only device

– One internal and four external downstream HUB ports

– 512 bytes on-chip program SRAM

– 16 Kbytes program memory

– Parallel interface to PC for In-System firmware programming

– Pin header connectors for access to all available GPIO pins

nHardware design files (schematics and PCB layout)

nUSB 2.0 compliant USB firmware library

nUSB Wizard firmware source code generation utility

nIn-System Programming tool

nComplete user's guide

1.2 Device Support The AT43DK325 Development Kit and the accompanying software tools are intended to

support firmware development and prototyping for the AT43USB325/6 family of USB

keyboard function controllers, including the

– AT43USB325E/M

– AT43USB326

Binary compatibility across the AT43USB325/6 family ensures that only one set of

development tools (development kit, compilers, etc.) is needed for all of the

AT43USB3xx based applications. Firmware written for one member of the family can be

Introduction

1-2 AT43DK325 USB Controller Dev. Kit User Guide

3430B–USB–3/04

re-used for another member without modification as long as only features available on

both parts are used.

1.3 Documentation The AT43DK325 Development Kit is accompanied by the following two documents:

– AT43DK325 User's Guide

– USB Wizard User Guide

Atmel recommends its customers to read the AT43DK325 User's Guide prior to reading

the USB Wizard User Guide.

1.4 Free Downloads The latest version of the USB Wizard can be found in the USB section of the Atmel web

site at http://www.atmel.com. Please refer to the same section for up-to-date informa-

tion on new USB product announcements, software releases and tool upgrades.

AT43DK325 USB Controller Dev. Kit User Guide 2-1

3430B–USB–3/04

Section 2

Getting Started

2.1 Electrostatic

Warning The AT43DK325 Development Board is shipped in protective anti-static packaging. 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 compo-

nent pins or any other metallic elements.

2.2 Unpacking the

System The AT43DK325 Development Kit is supplied with the following:

– AT43DK325 Development Board

– 2-meter Fully Rated USB Cable

– Male-male DB25 Parallel Cable

– Atmel USB CD-ROM with Software and Documentation

Please contact your local Atmel distribution or E-mail usb@atmel.com if any of the

aforementioned items is missing from the package.

2.3 System

Requirements The minimum hardware and software requirements are:

– 486 processor (Pentium®is recommended)

– 128 MB RAM

– 10 MB free hard disk space

– Windows®98/2000/ME/XP

– Parallel printer port

2.4 Software

Requirements The following third party softwares are needed to access and modify the documents and

source code in the CD-ROM:

–OrCAD Capture®from www.orcad.com for the .dsn file

–IAR or GNU C Compiler for the sample C source code

–Microsoft®Word from www.microsoft.com for the .doc files

–Acrobat®Reader®from www.adobe.com for the .pdf files

–Winzip®from www.winzip.com to open the .zip files

Getting Started

2-2 AT43DK325 USB Controller Dev. Kit User Guide

3430B–USB–3/04

2.5 Connecting the

Hardware Atmel has taken great care in creating a reliable demonstration kit for its customers. The

AT43DK325 Development Board is USB bus powered and requires no external power

supplies. In order to ensure proper operation, the supplied components in the kit must

be used in the setup shown in Figure 2-1. Atmel does NOT recommend substitution of

these components.

Connect the AT43DK325 Development Board as follows:

1. Verify that Jumper JP9 is closed.

2. Connect the USB cable from J1 Series B USB receptacle on the Development

Board to the USB Series A receptacle on the PC.

3. Connect the DB25 parallel cable from J6 on the Development Board to the paral-

lel port on the PC.

Figure 2-1. Connection to the AT43DK325

2.6 CD-ROM

Contents The CD-ROM has a top directory \325_evx\ where xindicates the version of the firm-

ware. All the directory paths used in this User Guide fall under this top directory. There

are three major subdirectories:

–BOARD: hardware design documentation

–Docs:datasheets, tutorial, and user’s guide

–USBWizard:USB Wizard software tool and examples

USB Cable

DB25 Parallel Cable

AT43DK325 Development Board

Target USB

Device

J2 J1J3 J4 J5

Target USB

Device Target USB

Device

Getting Started

AT43DK325 USB Controller Dev. Kit User Guide 2-3

3430B–USB–3/04

2.6.1 USB Wizard Utility USB Wizard is a GUI based development tool that facilitates rapid USB application

development for the AT43USBxxx family of AVR USB controllers. It allows the user to

generate firmware templates in ANSI C for USB and AVR peripherals with few clicks of

the mouse.

The utility is located in \USBWizard\USBWizard directory. This directory contains the

USB Wizard executable and other dependencies files.

Please refer to the Readme file on the release CD for installing instructions. The USB

Wizard executable file is supported on Windows®98/2000/ME/XP.

Source code generated by the USB Wizard cannot be programmed directly into the on-

board SEEPROM device. It must be compiled and linked first. The USB Wizard currently

supports IAR and GCC compilers.

Refer to the Atmel “USB Wizard User Guide” and “USB Wizard: Application Examples

and Demos” for detailed descriptions of this utility.

Figure 2-2. USB Wizard Application Window

Getting Started

2-4 AT43DK325 USB Controller Dev. Kit User Guide

3430B–USB–3/04

2.6.2 Code Base Directory This is the directory where the code base needed by USB Wizard is located. The name

of this directory is \USBWizard\Codebase. There are two main groups of code base

within this directory. The first one is IARbase, which provides necessary code for IAR.

The second one is GCCbase which contains the code for the GCC compiler. The follow-

ing is a brief summary of the directory tree of this code base.

Code base

|------------ IARbase

| |------ AT43USB35x

| |------ AT43USB326

| |------ AT43USB325E

|------------ GCCbase

|------ AT43USB35x

|------ AT43USB326

|------ AT43USB325E

2.6.3 Application

Examples The application examples are also included within this package. They are located in the

\USBWizard\Examples\ directory. This directory contains USB Wizard configuration files

(*.usw files) and the corresponding C files for the application examples. There are five

subdirectories in this directory:

1. Hub_Disabled

2. OCR1A

3. OCR1B

4. PWM_ADC_GPIO

5. SPI

2.6.4 In - System

Programming Tool The SEEPROM Loader allows developers to program the SEEPROM device through

the standard parallel port. The tool is located in the \USBWizard\ISP\ directory.

Please refer to the Readme file for installation instructions.

Please read Section 4 of this document or Section 3 of Atmel’s “USB Wizard: Applica-

tion Examples and Demos” on how to use this utility.

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