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ICSP for PIC microcontroller using USB

Hi,
I am a bit confused as to how the ICSP circuit functions.
Like I read on a few websites where the working of the 6 pins and its connections are explained.
But I want to program the PIC finally from the USB port of my laptop
and i am using ICSP so that I don't need to remove the micro controller out of the circuit for loading the program
But I am confused how the ICSP is supposed to be inferfaced with the USB pins.
 

KrisBlueNZ

Sadly passed away in 2015
Using a device programmer such as the Microchip PICkit 2 or PICkit 3. There are third party replacements but people seem to have trouble with them. Actually, the PICkit 3 isn't exactly reliable either!
 
No but is there no way to build a circuit around the microcontroller IC such that if we provide a USB port on the circuit, it can directly be programmed?
 

KrisBlueNZ

Sadly passed away in 2015
You could duplicate the PICkit hardware on each board you make (including copying their firmware)... Or you could design your own programming interface using a micro with a USB interface (and write your own driver and/or application for the PC end)... otherwise I don't think so!
 
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