Analog Devices MICROCONVERTER ADUC812 Scheda tecnica

ADuC8XX GetStarted Guide

a tutorial guide for use with the ADuC8XX QuickStartDevelopment System

REV 1.3 -- 1 -- www.analog.com/microconverter

One Technology Way • P.O. Box 9106 • Norwood, MA 02062-9106,

.S.A. • Tel: 781.329.4700 • Fax: 781.461.3113 • www.analog.com

ADuC8xx Evaluation Kit

Get Started Guide

ADuC8XX GetStarted Guide

a tutorial guide for use with the ADuC8XX QuickStartDevelopment System

REV 1.3 -- 2 -- www.analog.com/microconverter

CONTENTS:

Introduction pg 4

1.0 Installation pg 5

2.0 The Metalink 8051 Cross Assembler pg 6

3.0 The ADuC Windows Serial Downloader (WSD) pg 7

4.0 USB-EA emulator for ADuC8xx debugging pg 10

5.0 The ADuC WASP pg 18

6.0 Installed Documentation and Code Directory pg 23

The ADuC8xx QuickStart Development System

Technical Support:

North America & ROW: [email protected]

Europe: [email protected]

China:chin[email protected]

ADuC8XX GetStarted Guide

(1.0) Installation

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INTRODUCTION

The following GetStarted tutorial guide will bring the user through the various tools that are part of

the MicroConverter QuickStart development system. As all our tools are ADuC8XX generic, this

tutorial guide should be read for a development on any of our ADuC8XX parts.

The ADuC8XX parts and the evaluation boards that are referenced in this tutorial guide are as

follows:

PART EVALUATION BOARD

ADUC812 MicroConverter SAR Eval Board Rev A3

ADUC814 Eval-ADuC814QS SAR Eval Board Rev B1

ADUC831 MicroConverter SAR Eval Board Rev A3

ADUC832 MicroConverter SAR Eval Board Rev A3

ADUC841 MicroConverter SAR Eval Board Rev A3

ADUC842/ADUC843 MicroConverter SAR Eval Board Rev A3

ADUC816 MicroConverter Σ∆ Eval Board Rev B

ADUC824 MicroConverter Σ∆ Eval Board Rev B

ADUC834 MicroConverter Σ∆ Eval Board Rev B

ADUC836 MicroConverter Σ∆ Eval Board Rev B

ADUC845 MicroConverter Σ∆ Eval Board Rev 0

ADUC847 MicroConverter Σ∆ Eval Board Rev 0

The tools discussed during this GetStarted tutorial guide are as follows:

TOOL EXECUTABLE FUNCTION

ASSEMBLER Asm51.exe

The Metalink 8051 Cross Assembler takes an

assembly language source file created with a text

editor, saved with a .ASM extension and translates it

into two files, a listing file output (.lst) and a

machine language object file in standard Intel Hex

format (.hex).

DOWNLOADER WSD.exe

The Windows Serial Downloader (WSD) is a

windows software program that allows a user to

serially download standard Intel Hex files, as

created by the ASM51 assembler, to the

MicroConverter, while in circuit.

INTEGRATED

DEVELOPMENT

ENVIRONMENT (IDE)

-ASSEMBLY SOURCE -

SEE KEIL OR IAR

IDES AT

www.IAR.com

WWW.KEIL.COM

Keil and IAR provide a complete IDE (Integrated

Development Environment) integrating all the tools

necessary to edit, assemble, simulate and debug

Assembly source code via the serial port.

Download the latest 8051 tools from these vendors

from their websites:

www.IAR.com

www.Keil.com

WINDOWS ANALOG

SOFTWARE PROGRAM WASP.exe

The Windows Analog Software Program

(WASP), is an analysis tool allowing the user to

easily measure the analog noise performance of the

MicroConverter.

ADuC8XX GetStarted Guide

(1.0) Installation

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(1.0) INSTALLATION

USB-EA EMULATOR None

For non-intrusive debugging using Keil or IAR

development tools.

Also, it can be used for Serial downloading via the

EA pin and WSD software.

Installing from CD:

•Insert the MicroConverterQuickStart™ Development System CD ROM into your CD ROM

drive, select the CD-ROM drive and double-click on the file "setup.exe".

•Follow the on screen instructions to install the software on your PC.

Notes:

•Although you can install the software onto any hard drive and into any directory you wish, for

the purposes of simplicity the rest of this document will assume that you have installed the

software at the default location of C:\ADuC.

•If you already have a previous ADuC8XX QuickStart Development System tool-suite installed

on your machine, this version may also be installed by default at C:\ADuC. The ADuC8XX

Software Tools installation will automatically update any previous ADuC8XX tools in this

directory.

ADuC8XX GetStarted Guide

(2.0) The Metalink Assembler

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2.0 THE METALINK 8051 CROSS ASSEMBLER:

The Metalink 8051 Cross Assembler takes an assembly language source file created with a text

editor, saved with a .ASM extension and creates two files, an output list file (.LST) and a machine

language object file in standard Intel Hex format (.HEX).

The list file output (.LST) displays the results of the assembler operation, including any syntax or

other errors present in the original source code.

The Intel Hex file (.HEX) is used to program the part using the Windows Serial Downloader (WSD)

as described in section 3.0.

2.1 Using the Metalink Assembler

1. In the C:\ADuC\ASM51 directory, double-click on the ASM51.exe executable.

2. In the DOS window that comes up, type the path of the assembly file you wish to assemble.

For example, to assemble the example file C:\ADuC\Download\DemoCode.asm, simply type

“C:\ADuC\Download\DemoCode.asm” as shown below.

The assembler will display the text “ASSEMBLY COMPLETE, 0 ERRORS FOUND”

indicating that it has successfully assembled the file and has created the hex and list files (i.e.

DemoCode.hex & DemoCode.lst) along side the assembly input file (i.e. DemoCode.asm). If

the assembler indicates assembly errors, you should view the list file (i.e. DemoCode.lst) to

examine the errors. To view the list file, open it with notepad or any standard text editor.

Note: If the assembler returns an error message indicating a failure to read drive A, or a fatal

error opening a file on the A drive, then it is most likely failing to find the MOD52 or

MOD8XX file referenced by the assembly file. Make sure all MOD files (plus any other

“include” files referenced in your assembly code) are located in the C:\ADuC\ASM51

directory (where you clicked the ASM51.exe executable).

The ASM51.exe program can be copied/moved to another directory to prevent typing in

the long path name each time. Make sure that the relevant MOD files are also moved with

the ASM51.exe program.

For additional details on the use of the Metalink ASM51 assembler, please refer to the ASM51 user

manual at C:\ADuC\ASM51\ASM51.pdf.

ADuC8XX GetStarted Guide

(3.0) The Windows Serial Downloader

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3.0 THE ADUCWINDOWS SERIAL DOWNLOADER (WSD):

The Windows Serial Downloader (WSD) is a windows software program that allows a user to

serially download standard Intel Hex files as created by the ASM51 assembler to the

MicroConverter via the serial port. The standard Intel hex file is downloaded into the on-chip

FLASH/EE program memory via a selected PC serial port (COM1 to COM32). The WSD also

incorporates the protocols for downloading to FLASH/EE data memory, setting of security bits and

various RUN options.

3.1 Opening the Windows Serial Downloader

1. Power up the evaluation board using the 9V power supply. Connect the evaluation board

header J4 to your PC’s COM1 serial port using the RS-232 dongle cable provided. The PC

serial COM port may be changed from COM1 via the WSD ‘configuration’ option…see

section 3.4 below.

2. The user should put the MicroConverter into serial download mode.

To enter serial download mode on the ADuC814 the user should:

Connect S3 into the DLOAD/DEBUG position and press the RESET button.

To enter serial download mode on any of the other ADuC8xx products the user should:

While holding down the “SERIAL DOWNLOAD” button press and release the

RESET button.

3. From the START menu choose Programs ADuC WSD. This launches the Windows

Serial Downloader application. The WSD executable is located at

C:\ADuC\Download\WSD.exe.

The WSD automatically sends the reset command to the MicroConverter. If the

MicroConverter is in serial download mode and the comms between the PC and the

evaluation board are setup correctly then the WSD should display the following text above

the top right corner of the Status Box.

'ADuC8XX version 2.Y

i.e. the screen shot for an ADuC841 below shows the result….

ADuC8XX GetStarted Guide

(3.0) The Windows Serial Downloader

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3.2 Downloading using the WSD

4. Click the Download Button. Select the file at C:\ADuC\Download\DemoCode.hex. Double

click on the selected file or click on ‘Open’ to download the file.

While the file is downloading a progress bar will appear indicating how much of the file has

been downloaded.

Once the file has been successfully downloaded the progress bar will disappear and the

Status Box will be updated with the message

DOWNLOADING CODE [C:\ADuC\Download\DEMOCODE.HEX]:..........OK

3.3 Running the Downloaded File

Running using the WSD

5. Click on the Run Button. The Status Box is updated with the message.

Run OK!

The program starts running from address 0000h, as can be seen by a flashing LED on the

Evaluation Board.

To perform additional downloads; repeat step 2 and press the RESET button on the WSD.

Manual Run Option.

6. Press RESET on the Evaluation Board with the SERIAL DOWNLOAD switch released (for

the ADuC814 switch S3 to the NORMAL position). The program starts running

automatically after reset as can be seen by the flashing LED.

Note: DemoCode.hex blinks a LED on the eval board. The rate of blinking is reduced each time

the INT0 button is pressed

3.4 Additional Download/RUN Options

The MicroConverter incorporates a serial download protocol that also allows various

Download/RUN options (see uC004 at C:\ADuC\Documentation\TechNotes). These options can be

easily selected in the Configuration window as shown below (the Configuration button can be found

on the front panel of the WSD as shown in 3.1.3 previously). As you can see various Erase,

Download and RUN options exist here.

ADuC8XX GetStarted Guide

(3.0) The Windows Serial Downloader

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Certain options may be grayed out depending on the particular MicroConverter you may have.

Run Automatically after Download

7. Click on the Configuration button. Tick the box for 'Run automatically after download' as

shown in the configuration window above. Click on OK. Enter serial download mode as in

step 3.1.2. Download as in step 3.2.4. The program starts running automatically after

download as can be seen by the flashing LED.

NOTE: Use of the PC COM Port:

Only one application may use the PC serial port at any one time.

The WSD only uses the PC COM serial port when

•Resetting the device

•Downloading to the device

•Sending the Run command to the device

Therefore, the WSD does not have to be closed before launching the

Debugger/WASP/Hyperterminal or any other application that uses the PC COM serial port.

However if another application, that uses the PC serial port, is open then the WSD will not be

able to communicate with the MicroConverter until the PC serial port is released by

disconnecting/closing the other application.

ADuC8XX GetStarted Guide

(3.0) The Windows Serial Downloader

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3.5 Downloading via the USB-EA emulator

Chapter 4 will discuss using the USB-EA emulator for debug purposes. However, it is also possible

to use the USB-EA emulator to serially program the ADuC8xx parts via the EA pin – I.e., it doesn’t

require the a connection to the UART pins.

After you have installed the USB-EA emulator, your PC will assign the emulator a COM port.

When using the USB-EA emulator to download to the ADuC8xx, simply select this COM port in the

WSD application and proceed as per the earlier instructions.

For more details on the USB-EA emulator, see chapter 4.

ADuC8XX GetStarted Guide

(4.0) USB-EA Emulator

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(4.0) USB-EA EMULATOR FOR ADUC8XX DEBUGGING

The USB-EA emulator allows non-intrusive debugging of the ADuC8xx series of devices.

The USB-EA Pod is shipped as part of the Quick Start Plus kits or, it may be purchased separately.

The following parts are supported by the USB-EA emulator:

ADUC831

ADUC832

ADUC841

ADUC842/ADUC843

ADUC834

ADUC836

ADUC845

ADUC847

ADUC848

Note, the ADuC812/814/816/824 are not supported.

The debugger interfaces to the ADuC8xx via a single pin – the EA pin of the ADuC8xx part. To

enter debug mode, the part must first be placed into download mode by toggling the Reset pin while

holding the Serial download pin low. When using the evaluation boards, this involves keeping the

Serial download button pressed while toggling the reset button.

4.1 Connecting the USB-EA emulator to the target board

The pod connects to a PC via a standard mini-USB cable. It connects to a target board via a 2-pin

header. See the pictures below.

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