Dear All, I am new in micro controller programming, I have micro controller 89C51 and I need the circuit components and schmatic of the programmer ciruit which is interfaced to the computer with the serial port. Please some can send it to me Thanks Regards Sameh
"why file hex from keil some 89C51 programmer circuit can do a nother can't program"
Why post in this thread, where it has nothing to do with the foregoing discussion?
One common reason is that some programmers are poorly made and don't properly understand the Intel Hex file format. In particular, some poor implementations assume that the addresses in the Hex file must be in order - but the Intel Hex file format has no such requirement!
This has been discussed many times before - use the 'Search' facility!