93C56 EEPROM PDF

93C56 Technical Data, x8(2k) Serial CMOS EEPROM Datasheet, buy 93C Just as the title states I wish to flash a 93c56 EEPROM in my jeep cherokee gauge cluster because my old gauge cluster has malfunctioned. GIANTEC 93 series EEPROM products work well under stable voltage within . KHz. Figure 8: The theoretically maximum SK frequency. 93C 93C

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But not that easy.

flashing a 93c56 EEPROM with arduino

I would still like to know why it is able to write but not read? Jan 11, 3. Everything runs on smoke, let the smoke out, it stops running Two different of those same seprom were tested However Using another 93c56 from another manufacturer gives no similar error. I have checked the erprom of the clip and they are all correct and if they weren’t it shouldn’t be able to write to the eeprom If this were a serial port I might try slowing down the bitrate, but this programmer seems to have no settings at all.

Just as the title states I wish to flash a 93c56 EEPROM in my jeep cherokee gauge cluster because my old gauge cluster has malfunctioned and the new one will have incorrect millage on the odometer.

Well the good news is its a late model and I have everything I need from a junkyard for very cheap. It may be cheaper and less risky to go to a Cherokee dealer and get him to do it No, create an account now.

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It won’t be easy, as they don’t want crooks ‘clocking’ the mileage. I just figured why not try with my arduino and learn a thing or two. My best guess is a flaky connection on one of the wire to pin connections at the back end of the clip. You May Also Like: And here are a few other bit values, spliced together to save space In every case except FFFFthe even numbered bits 0,2,4, TomGeorge Design and Repair of industrial control systems.

Given that it’s ‘in-circuit’- I presume soldered – eepfom probably need to break the leads to CS, SK ,DI DO, so as to prevent the existing curcuitry from preventing your operations. When using the so8 adapter in the zif socket it works perfectly. Do you already have an account?

Parallel Port – Programming Serial EEPROM 93C56

Jan 10, 2. Btw the chip is not soldered to anything, it is attached only to the test clip Chinese manufacturer of the programmer: Ill see what I can do about separating that chip.

Is there a connector next to this chip which does this? Is this something the arduino can handle? Why is using a battery causing my ATtiny85 to malfunction? This is what it looks like when using the clip: This is why we test Posted by nsaspook in forum: I have also tried 8dip versions of this eeprom in this same programmer and they never give errors so I must assume it is the clip. The reviews for this clip dont mention this problem, and it is sold by the same company that sells the programmer.

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Writing to the eeprom isn’t too hard if you have access to the pins.

Why is so8 test clip causing read errors with 93C56 eeprom (TL866 programmer)?

If I do go about pulling the code, is there a circuit that needs setup and any pre written code for this? I know this guy here did it with an off the shelf programmer, which is quite expensive compared to the arduino I all ready own. 93×56 Systems and Microcontrollers.

No clue how do I go about getting this info? The errors are consistent and seem to happen with every bit value except FFFF. Why is so8 test clip causing read errors with 93C56 eeprom TL programmer? Nov 5, 19 0.

I am trying to read an Atmel 93C56B eeprom, so8 surface mount package, with this programmer. Not to mention so many people in the jeep community have arduinos eepro would benefit from this. Jan 10, 1. I’ll look into that cloning.

Hi, What do the professionals do when they need to change instrument cluster?