ATMEL 89C Series Flash Programmer


Posted on Feb 15, 2013

This programmer was designed in view of to be flexible, economical and easy to built, the programmer hardware utilizes the standard TTL series parts and no special components are used. The programmer is interfaced with the PC parallel port and there is no special requirement for the PC parallel port, so the older computers can also be used with this programmer.


ATMEL 89C Series Flash Programmer
Click here to download the full size of the above Circuit.

Figure 1 shows the circuit diagram of the Flash Programmer, the programmer is interfaced with the standard parallel port of the PC. As shown in the diagram U1 is used to control the data flow between controller and the pc, U3 latched the low order address




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