![]() ![]() ![]() The Intel-Hex Code I used with the programmer until now was only compiled by Keil uVision2 for the AT89S52. My goal was never toīuild a fancy programmer with all the possible functions: all the programmer should be able to do and all it can do is to take a Intel hex file via RS232 interface, and then to program and verify the code byte-by-byte.įirst I was afraid about the complexity of decoding the Intel-Hex Format, but as it turned out later there was very good documentation about this topic, and I was also able to get it working very quickly. ![]() I built this programmer a long time ago in the year 2005, and since then I have used it a lot for firmware development for the AT89S52, and for programming of all my boards using this microcontroller. This page should give a quick summary about the outcome of this project. Because I needed a programmer for the AT89S52 microcontroller I decided to build a very basic one myself. ![]()
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