NM93C56MN – ?HQS=TI-null-null- dscatalog-df-pf-null-wwe. NMC93C56 – ?. 93c56 EEPROM are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for 93c56 EEPROM. Three-wire. Serial. EEPROM. 1K ( x 8 or 64 x 16). AT93C Note: Not recommended for new design; please refer to. AT93C46D datasheet.

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If I do go about pulling the code, is there a circuit that needs setup and any pre written code for this? Not to mention so many people in the jeep community datadheet arduinos and would benefit from this.

I know this guy here did it with an off the shelf programmer, which is quite datashet compared to the arduino I all ready own. There must be a procedure to clone the new cluster from the old. I’ll look into that cloning.

But not that easy. Is there a connector next to this chip which does this?


National Semiconductor

Given that it’s ‘in-circuit’- I presume soldered – you’ll probably need to break the leads to CS, SK ,DI DO, so as to prevent the existing curcuitry from preventing your operations. Writing to the eeprom isn’t too hard if you have access to the pins.

Just datqsheet 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. It won’t be easy, as they don’t want crooks ‘clocking’ the mileage.

Is this 93×56 the arduino can handle? And if so how would I go about doing this? No clue how do I go about getting this info? I just figured why not try with my arduino and learn a thing or two.

I actually did do some googling and most people either take it to the dealership or reflash it with an EEPROM flasher. Hi, What do the professionals do when they need to change instrument cluster? It may be cheaper and less risky to go to a Cherokee dealer and get him to do it I just wonder if moving the chip might be a solution. Well the good news is its a late model and I have everything I need from a junkyard for very cheap.


93C56 Datasheet(PDF) – ATMEL Corporation

935c6 But what is the format of the data? Everything runs on smoke, let the smoke out, it stops running TomGeorge Design and Repair of industrial control systems. I’ll see if I can find my old bitbasher – but given the datasheet you could figure it out. If you had the appropriate sw from the manufacturer I bet you could do this via the OBDII connector – but I also bet they’re not telling you how!

Ill see what I can do about separating that chip.