AT29C010 DATASHEET PDF

I know it's a bit "off topic" but does anyone out there have any experience with loading hex files into something similar to a AT29c I have a hex file compiled see attached lon. I have an adaptor board made up to interface the flash to a mega so that i can download the hex code into the flash. Now i know you'll probably say use an eeprom programmer but im out of time and can not get my hands on one quickly. I have written some assembly code which is pretty rough and ready to download the hex code from a.

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I know it's a bit "off topic" but does anyone out there have any experience with loading hex files into something similar to a AT29c I have a hex file compiled see attached lon. I have an adaptor board made up to interface the flash to a mega so that i can download the hex code into the flash.

Now i know you'll probably say use an eeprom programmer but im out of time and can not get my hands on one quickly. I have written some assembly code which is pretty rough and ready to download the hex code from a. Now im not entirely sure i have gone about formatting the hex file correctly but i first stripped the first 8 bits off the beginning of each line as that is the address im thinling. Next i stripped the last 2 bits of the end of each line as i umderstand they are the checksum. Next i formatted it see attached code so that it ended up as a decimal numbers within a.

I have attached my assembly code that i wrote to interface with the flash which im not entirely sure is correct but it seems to write the. Could somebody look at my hex code and tell me if i have formatted it wrong or if my assembly code is wrong and help me out.

Unfortunately i through the code together pretty quick so it doesn't have any comments but it is relatively small. Having had a quick look I can not see where you have converted the data from intel hex back into binary.

Also just stripping off the address is not a good idea untill you have made sure all the data is in fact following on in the correct order as it could be jumbled up line by line. Sorry i haven't had any experience with hex files so im not entirely sure what u mean. My understanding was that that hex code simply had to be loaded byte by byte into the flash at the right addresses.

But it sounds like im wrong looking at what you said. Do you have anything or know where i can get something that will format that hex so i can load it byte by byte. You want to convert to binary I do not know what compiler you are using but some do have a straight binary out option.

The required binary data has been split into two nibbles so giving a value of between 0 and 15 for each nibble. This nibble value is then sent as ascii so it is between '0' - '9' or 'A'-'F'.

If you had a value of say hex 57 the intel hex would be x35 then x37 this being asci for 5 then the ascii for 7. Again have a look on the web for data on this. It is not all that difficult to convert. Skip to main content. Log in or register to post comments. Go To Last Post.

Level: Site Admin. Posts: View posts. Posted by admin : Tue. Feb 10, - AM. Fivestar widget 1 2 3 4 5. Hey All I know it's a bit "off topic" but does anyone out there have any experience with loading hex files into something similar to a AT29c Regards Steve. Log in or register to post comments Top. Hi Mike Thanks for the reply. Thanks Steve. Feb 10, - PM.

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AT29C010-XXX Datasheet

All rights reserved. Its 1 megabit of memory is organized as , words by 8 bits. Manufactured with Atmel's advanced nonvolatile CMOS technology, the device offers access times to 70 ns with power dissipation of just mW over the commer- cial temperature range. The device endurance is such that any sector can typically be writ- ten to in excess of 10, times.

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