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ok now i have designed the programmer circuit using atmega644pa chip like given in the pdf you mentioned above. To test this circuit i downloaded working bootloader code in atmega chip but it is not behaving as expected while same code is working fine with other boards.
Yes because the boot loader of sst89e516rd2 chip has got erased so it is not getting detected in EasyIAP which is flash utility program for sst chips. Now i want to load my own boot block for sst chip through atmega324pa. So anybody has idea about how to do this.?
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