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89s52 program using serial port

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at89 isp cable

gamegurus said:
I made it today, It does not work. Connections does not seem clear to me. Also its difficult to get the USB chip used.

I am using Atmel 89S series USB programmer by www.protosmart.co.uk and its cool so far..
 

atmel 89c8252 isp programmer circuit diagram

gamegurus said:
I made it today, It does not work. Connections does not seem clear to me. Also its difficult to get the USB chip used.

u might want to try this : ht*p://www.kmitl.ac.th/%7Ekswichit/IspPgm30a/ISP-Pgm30a.html

i surveyed few websites and this one seems quite ok . Please do send me a personal reply email if u had try out this circuit .

Thank you

My Email: tewweijie@yahoo.com
 

atmel isp download cable schematic

I tried the liknk given by weijietew
This programmer is easy to build and works fine. I am using it for several months. Get in touch with him, you will finish it in a day or two.
Raoof
 

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