Tech tools EconoROM III Manuel utilisateur

EconoROM III

User’s Manual

Version 1.0

Covers Models

ER3-256, ER3-512, ER3-1M, ER3-4M and ER3-8M

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Table of Contents

Introduction ......................................................................................................................... 1

How To Reach TechTools................................................................................................... 1

Up and Running in 15 Minutes!.......................................................................................... 1

Install the Software ..................................................................................................................................... 2

Disable Any In-Circuit Programming Voltages .......................................................................................... 2

Plug the emulator into your target............................................................................................................... 3

Connect RESET .......................................................................................................................................... 4

Apply Power ............................................................................................................................................... 5

Connect the Download Cable...................................................................................................................... 7

Connect Daisy-chain Cables ....................................................................................................................... 7

Run self-test ................................................................................................................................................ 7

Load your program...................................................................................................................................... 8

Software .............................................................................................................................. 9

QuickLoader ............................................................................................................................................... 9

ER3LD, ER3LD32...................................................................................................................................... 9

ER3TEST, ER3TEST32 ........................................................................................................................... 10

Utilities...................................................................................................................................................... 10

Enhancements.................................................................................................................... 11

Faster Downloads - Turn Off Verify......................................................................................................... 11

Memory Retention .................................................................................................................................... 11

Increase 16bit Transfer Speed................................................................................................................... 11

Troubleshooting ................................................................................................................ 12

DLL not found or DRIVER not found ...................................................................................................... 12

Printer Port Not Found Message............................................................................................................... 13

No Emulator(s) Found .............................................................................................................................. 13

Fails Verify ............................................................................................................................................... 14

Verifies, but target does not run................................................................................................................ 15

Works but VERY slowly under NT/2000 ................................................................................................. 17

FAQs ................................................................................................................................. 18

Can I use EconoROM III on a 3V target?................................................................................................. 18

What is the lowest target voltage supported?............................................................................................ 18

How accurate are EconoROM III’s voltage readings?.............................................................................. 18

Can EconoROM III emulate FLASH devices? .........................................................................................18

Do I _REALLY_ need to connect the reset line?...................................................................................... 19

Can EconoROM III emulate DIP/PLCC/TSOP… packages?................................................................... 19

Can I use a longer target cable? ................................................................................................................ 19

Can I use a longer Download cable?......................................................................................................... 19

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Introduction

Thank you for purchasing a TechTools product. We make every attempt to provide quality tools at

reasonable prices. If you have any questions, comments or suggestions, please feel free to contact us by

FAX, Voice, email or mail and express your opinions.

How To Reach TechTools

You can reach us at any of the following :

Voice: (972) 272-9392 Monday-Friday, 9:00-5:00 Central

FAX: (972) 494-5814

email: support@tech-tools.com

web: http://www.tech-tools.com

Mail: TechTools

PO Box 462101

Garland, TX 75046-2101

Up and Running in 15 Minutes!

As engineers, we understand that you do not have time to troubleshoot your test equipment. You need to be

able to trust your test equipment. With that in mind, we thoroughly test each and every EconoROM III to

ensure that you receive a fully functional unit. In addition, we provide a self-test function to enable you to

verify proper emulator operation at any time.

The following sections are designed to get you up and running in less than 15 minutes. If your system is not

running by the time you complete these instructions, please contact our technical support staff. We have

many thousand emulators in use throughout the world. Many have been in service for nearly 10 years. We

are confident that we can resolve the problem through email or over the telephone.

Install the Software

The EconoROM III software may come on floppy, CDROM or BOTH. If a floppy was included with your

emulator, it may be a complete install or a patch. Follow the instructions on the floppy.

If the floppy contains a PATCH, you will be instructed to install the software from the CDROM and THEN

apply the patch.

If the floppy contains a full install, the CDROM is not needed and any ER3 software it contains is out-

dated. We still include the CDROM because it contains a wealth of information.

If a floppy disk was NOT included, then the software on the CDROM was the most current at the time the

product was stocked. Follow the directions on the CDROM to install the software. If your system is

configured to auto-launch applications from the CDROM, our launchpad will appear after you insert the

CDROM into your drive. Simply select the ER3 software option from there.

In any event, it is always advisable to check our web pages for any updates. We always post the most

recent versions of our software for free download.

Disable Any In-Circuit Programming Voltages

EPROMs and some FLASH devices are usually programmed with “super voltages” (> 5V) and are designed

to handle such voltages on some pins; EconoROM III is not! If your target is capable of in-circuit

programming, disable or isolate the high voltage, not just the high voltage control signals. Even short surges

during power cycling could be damaging.

EconoROM III is a 3-5volt ONLY device. Any voltage

greater than 5 Volts or less than 0 Volts will damage it.

Plug the emulator into your target

Turn the target power off. Plug the supplied target interface cable into the target’s EPROM socket. Be

careful to align the PIN 1 end of the cable (designated with a stripe) with the PIN 1 end of the target’s

socket (usually designated with a notch, a dot or a ‘1’).

EconoROM IIIs ship with both 28pin and 32pin DIP cables. Use the 28pin cable if you are emulating a

28pin DIP device; the 32pin cable if emulating a 32pin DIP device. If you are emulating PLCC type

devices, you will need to purchase a DIP to PLCC adapter. These are available from TechTools as well as

all popular adapter manufacturers.

PLUGGING THE CABLE IN BACKWARDS WILL

DAMAGE EconoROM III!

The number one cause of emulator failure is reverse voltage. The JEDEC standard pin-out for DIP

devices places power and ground on opposite corners of the device. If one plugs an EPROM or an

EPROM EMULATOR in backwards, it applies reverse voltage to the device or emulator, causing

permanent damage.

If your target uses DIP sockets or a TechTools’ PLCC adapter, it is fairly easy to ensure the cable is

plugged in properly. Simply check (twice) that the RED stripe on the cable is aligned with the PIN 1 end of

the socket.

If you are using any type of adapter between the DIP cable and your target, it can get a little more

confusing. An incorrect adapter or one that is installed incorrectly could apply reverse voltages to the

emulator.

If you have ANY doubts, check it out! The simplest way to check out adapters, is to insert the adapter into

the target but do NOT insert the DIP cable into the adapter. The DIP socket provided by the adapter should

have GROUND on one corner pin and POWER on the opposite corner. On 28 pin sockets, ground should

be on pin 14 and power on pin 28. On 32 pin sockets, ground should be on pin 16 and power on pin 32.

Once you have established that the adapter is wired correctly and installed correctly, then insert the DIP

cable into the adapter, aligning its RED stripe with the PIN 1 end of the DIP socket.

PLUGGING THE CABLE IN BACKWARDS WILL

DAMAGE EconoROM III!

The old carpenters’ rule applies here: ‘MEASURE twice – CUT once.’

Connect RESET

The RESET line must be connected to guarantee proper target operation. The reset signal is automatically

asserted during each emulator access. This prevents the target from “running stupid” while we change its

code space. The reset signal is released at the completion of the transfer, allowing the target to restart with

the new code image. We also use the reset line to prevent the target from attempting to execute code before

the emulator recognizes that the target has sufficient voltage to run.

EconoROM III provides two reset outputs. RESET is an open emitter, ACTIVE HIGH output. /RESET is

an open collector ACTIVE LOW output. Both signals are pulled to the in-active state via very weak

resisters. Connect the appropriate output to your target’s RESET circuitry.

EconoROM III’s reset signal should be connected to the target’s reset circuitry at the most “upstream” point

available. This is usually an RC combination that senses the target’s power up or a manual reset switch.

Sometimes this circuitry is connected directly to the CPU reset input. In other targets, it will be connected

to the input to a reset chip, power management chip, a watchdog timer chip or a Schmitt trigger gate.

DO NOT CONNECT EconoROM III’s RESET

OUTPUT ACROSS A TOTEM-POLE OR BIPOLAR

GATE, OR DIRECTLY TO GROUND OR 5VOLTS.

THIS MAY RESULT IN DAMAGE TO

EconoROM III OR THE TARGET.

If your target has a reset button, determining where to connect the reset line is easy. Use a DVM, SCOPE

or logic probe to measure the voltage of both sides of the switch. They should be different (one HIGH and

one GROUND). Push and hold the button and take the two measurements again. Both should now be the

same (HIGH or GROUND). Notice that one side of the switch remained the same, the other side changed

states. Connect the reset lead to the side that CHANGED STATES. The level at this point indicates which

POLARITY (RESET or /RESET) we should use. Ground indicates active LOW; use /RESET. HIGH

indicates active high; use RESET.

The next easiest connection point is an RC reset network. If you find a resister and capacitor in series

between power and ground with the common point connected to the CPU or a monitor chip marked

something like reset or clear, you probably found it. Connect the reset line at the RC juncture. If the

resister is connect to ground and the capacitor is connected to power, use the RESET signal. If the resister

is connected to power and the capacitor is connected to ground, use the /RESET signal. In some targets, the

resistor or the capacitor may be missing but these instructions would still apply if you imagine the missing

component is internal to the processor or monitor chip. If you are not sure, ask ‘sparkie’ (a technical term

for the hardware engineer that designed the board).

Call our technical support if you are unsure about which output to use or where to connect to your target.

Apply Power

The emulator can be powered from the target or via an optional external power supply. If your target

operates at 5Volts and can supply the extra emulator current (100ma typical/200ma max) to the memory

socket, then you can use target power. If your target operates at less than 5V or is incapable of supply the

extra emulator current, then you must use an external power supply. External power supplies are available

from TechTools or your local dealer. The external supply must provide a regulated 5VDC at 300ma or

greater.

The emulator status LED operates differently based on whether you are using target power or external

power.

Using Target Power

Turn on your target power supply. The emulator status LED should glow a STEADY GREEN. If not, refer

to the troubleshooting tips below to correct the problem before continuing.

LED does not turn on:

Immediately turn off target power and correct the

problem before reapplying power!

Your target does not have enough power to operate the emulator or power is not reaching the emulator.

- Verify all target cable connections

- Verify the target cable is plugged in correctly (pin 1 orientation)

- Verify that any adapters you might be using are the correct pin-outs.

- Once you are SURE the emulator is not being subjected to reverse voltage, verify the target

provides at least 4.5V to the memory socket WHILE THE EMULATOR IS PLUGGED IN.

Connect an external power supply to the emulator if necessary.

LED GLOWS RED:

Your target does not have enough power to operate the emulator or is supplying less than 4.5V.

- Verify all target cable connections

- Verify the target cable is plugged in correctly (pin 1 orientation)

- Verify that any adapters you might be using are the correct pin-outs.

- Verify the target provides at least 4.5V to the memory socket WHILE THE EMULATOR IS

PLUGGED IN. Connect an external power supply to the emulator if necessary.

LED Flashes GREEN:

You have enough power, but you failed to connect the reset line properly. When the emulator is first

powered up, it asserts RESET to keep the target from running until it has received a download. The

flashing GREEN LED indicates target activity.

- Verify the RESET line is connected

- Verify your selection of the RESET attachment point

- Verify your selection of RESET polarity.

Using External Power

Connect the external power supply but leave the target turned off. The emulator status LED should glow a

STEADY RED, indicating the presence of emulator power but not target power. If not, disconnect the

emulator power and refer to the troubleshooting tips below to correct the problem before continuing.

- Verify the external power supply is properly connected and plugged into a powered socket.

- Verify the external power supply is providing a regulated 5VDC at 300ma or more.

- Verify the external power supply is wired correctly (center is positive, ring is ground).

- Disconnect the target cable and re-apply emulator power. If the LED now GLOWS RED, the

target wiring, adapters or cabling are incorrect.

Turn on target power. The emulator status LED should change from a steady RED GLOW to a steady

GREEN GLOW. If not, refer to the troubleshooting tips below before continuing.

LED Turns OFF:

Something is VERY wrong with the target wiring, cables or adapters.

Immediately turn off target power and then emulator

power. Correct the problem before reapplying power!

LED STAYS RED:

The emulator did not sense at least 3V from the target power pins.

- Verify all target cable connections

- Verify the target cable is plugged in correctly (pin 1 orientation)

- Verify that any adapters you might be using are the correct pin-outs.

LED Flashes GREEN:

The emulator detected the target’s power, but the reset line is not properly connected. When the emulator is

first powered up, it asserts RESET to keep the target from running until it has received a download. The

flashing GREEN LED indicates target activity.

- Verify the RESET line is connected

- Verify your selection of the RESET attachment point

- Verify your selection of RESET polarity.

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