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Atmel AT89C2051 Programmer

Circuit Diagram for programmer.

The programmer can be built on vero board (as the prototype was) or you can make your own PCB layout. Alternatively a Melbourne base company Dontronics has made circuit boards at a reasonable price. Most students have used the Dontronics boards so I will show photos of their construction.
 

This photo shows the complete programmer, which comprises two boards a DT004 & a DT206. The DT206 is really the programmer and the DT004 is an interface and development platform for Simmstick target boards.
 
 

This photo shows the populated DT206 board. Note the components in the box in the top right hand corner are not needed for programming a 2051, they are for another micro-controller.
 

This photo shows the DT206 with a ZIF socket fitted.
 
 

Photo of the DT004 populated. Note not all the components are needed just for programming. The extra components are used when the board is used as a target system.

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