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ATMEL AT89SXX ISP

Flash Programmer v1.4

Amit Sengupta,   amitsenxbabu@yahoo.com   

 [ Delhi    Mb : +91 9871612387 ]


Introduction   ( Last Update  17/11/2008 )

Welcome to the world of Microcontrollers, and the first thing you need is a Device Programmer. This In System Programmer use RS232 (serial port)  for communication. If you need something like this you need to assemble a very simple circuit (Programmer Unit).

Hardware

Figure 1 shows  the  Block diagram of the in-system programmer interface,  the programmer can be self powered or target powered it depends on how you plan to use it.
Figure 1:   Block Diagram of the ISP Programmer
Figure 2  shows  the  actual circuit  diagram. The Programmer has just two ICs. IC1 = AT89C2051, IC2 = MAX 232. Few Resistors, LEDs, capacitors etc. The value of the crystal is critical and must be 11.0592 MHz.  
Figure 2:   Circuit Diagram of the ISP Programmer

Firmware.

Assemble the circuit and burn the firmware into an AT89C2051(you will need a conventional parallel Programmer to Program the AT89C2051).

Software

The Software is a Windows GUI application and supports all programming functions. When you run the software for the first time it looks for a valid programmer on COM1. If the Programmer is connected to say COM2 you will receive an error message but when the application starts select Options->Settings on the Menu and specify the correct COM Port.

Following are the main features of this software,

  • Device Supported - AT89S51, AT89S52, AT89S8252, AT89S8253.
  • Read and write  Intel Hex files.
  • Chip Erase.
  • Verify.
  • Lock.
  • Read Device Signature.
  • Advanced Device Specific Functions.

    • Download

    AT89SXX ISP Flash Programmer Software   ISP_PROG v1.4.zip

    Firmware for AT89C2051             Firmware v1.4.zip.

    Any Feedback to:  amitsenxbabu@yahoo.com

    https://sites.google.com/site/atmelispprogrammer/

     

                                                                       Hi-Logic Systems

                                                                  Contact - Mr Amit Sengupta (+91 9871612387)

             1645-B/114, Ganesh Pura, Tri Nagar, (Nearby Kanhaiya Nagar Metro Station), Delhi - 110035 ,India

    We offer wide range of Embedded Products and Expertise in design and Development in the Field of Embedded Systems. 

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          Email                   -    hilogicsys@gmail.com

     

     

                                                                                    ISP_PROG v1.4 Screen Shot