piclist 1998\10\16\221538a
>
Thread:
in-circuit programming 16F84
www.piclist.com/techref/microchip/devprogs.htm?key=programming
BY
:
Regulus Berdin email (remove spam text)
jim nestor wrote:
> The Pic-1 expects to have control over the MCLR line on the PIC. My
> protoboards either tie the MCLR to VCC directly or through a 10k resistor.
> By opening that circuit and connecting it to the VPP programming voltage
> and GND, RB6 & RB7 lines on the Pic-1, I am able to program the 16F84.
I think MCLR needs a series diode from the Vcc to work to be able to
program in in-circuit to prevent 12V going to the Vcc.
Reggie
<3627FD5A.537D22EF@skyinet.net> 7bit
See also: www.piclist.com/techref/microchip/devprogs.htm?key=programming
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