mattschinkel wrote:
> 
> The CTS/RT line from my serial port will reset the pic before programming
> via bootloader.
> 
> Here is the circuit:
> http://www.borntechi.com/temp/ICSP_BOOTLOADER.JPG
> 
> Yes, the circuit does work. But I want your opinion. Is this circuit ok?
> Would
> you consider this safe for my programmer and serial port? Will I damage
> anything?
> 
> I know that I should not need to have ICSP and Bootloader plugged in at
> the same time, but it is my preference.
> 
It should work and it seems safe, but:
(Edited: sorry not -12V, that's TTL!)
R3 & R4 are too low; when Vpp is applied the current load is too high for
*nothing*.
And why these resistors on data lines? 




-----
Best regards,

Philippe.

http://www.pmpcomp.fr Pic Micro Pascal for all! 
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