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18Fxxxx Demo Board with ICSP like AVRs

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sadat007

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Hi,
Attached is the sch of the board I am going to make my self.
I am trying to implement the same concept of In Circuit Programming Hardware as was used in AVR. I use the 4053 analog switch for total isolation between the ICSP pins and the pins connected to external hardware.
Need your suggestions urgently?
Thanks
Sadat Hussain
 

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