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'[PIC]: Programming 16F628 with Warp13 (HELP)'
2002\02\09@005116 by Donovan Parks

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Hello,

I've been trying to program my new 16F628 chip with my Warp 13 programmer for the last two hours with no success.  I've written a simple little 'blink an led' program that has been compiled with Hi-Tech C for the 16F628.  Is there a known problem with the Warp13 programmer or Hi-Tech C when it comes to the 16F628?  Has anyone successfully programmed a 16F628 with a Warp13 programmer.  If someone has the *.hex file of a 16F628 program they have successfully programmed onto a 16F628 I would sure appreciate you sending it to me (that would at least eliminate one variable).

Thanks,
Donovan Parks

PS: I have two (2) new 16F628 chips and neither of them program so I'm confident the chip(s) aren't defective.

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2002\02\09@010941 by kben

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Hi Donovan, Yes it is a known problem try
users.pipeline.com.au/newfound/trouble%20shoot.htm
if you can't figure it out, post to the PICLIST or send Jim Robertson
an email, Jim makes the WARP13 programmer.  Jim's always been very
helpful and responsive when I have had problems.
I ended up soldering a 18 pin ZIF, and removing resistor R9,
but other people have had success with the In-circuit Serial programming.
Also, feel free to contact me.

Good Luck,
Kevin

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2002\02\09@015428 by Donovan Parks

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Hello,

Thanks for the 'heads up' Kevin.  Could someone who has successfully
programmed the 16F628 with ISP please contact me.  Can't get it to go and I
don't have a 18 pin ZIF to play with (and am not the keen on modifiying the
Warp13 PCB).  Below is listed my connects (can anyone see the problem):

PIC to Programmer
Pin 5 - Vss to GND
Pin 14 -Vdd to Vdd
Pin 4 - /MCLR to Vpp
Pin 13 - RB7 to RB7
Pin 12 - RB6 to RB6

** Pin 10 - RB4/PGM to GND ** (Is this correct?)

Thanks for any and all help.

Regards,
Donovan


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2002\02\09@082531 by Byron A Jeff

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On Fri, Feb 08, 2002 at 10:51:15PM -0800, Donovan Parks wrote:
> Hello,
>
> Thanks for the 'heads up' Kevin.  Could someone who has successfully
> programmed the 16F628 with ISP please contact me.  Can't get it to go and I
> don't have a 18 pin ZIF to play with (and am not the keen on modifiying the
> Warp13 PCB).  Below is listed my connects (can anyone see the problem):
>
> PIC to Programmer
> Pin 5 - Vss to GND
> Pin 14 -Vdd to Vdd
> Pin 4 - /MCLR to Vpp
> Pin 13 - RB7 to RB7
> Pin 12 - RB6 to RB6
>
> ** Pin 10 - RB4/PGM to GND ** (Is this correct?)

Yes. The issue that Jim discussed in the web page below is documented here:

http://www.microchip.com/download/lit/suppdoc/errata/80073d.pdf

It's always best to ground the LVP pin for any PIC device if possible
especially when programming. This will ensure that only high voltage
programming is done.

BAJ
>
> > Hi Donovan, Yes it is a known problem try
> > http://users.pipeline.com.au/newfound/trouble%20shoot.htm

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2002\02\09@104754 by Josh Koffman

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Are you trying to program the 16f628 in circuit using MPLAB? Also
mentioned on Jim's pages is that MPLAB can't control the ICSP Vpp
properly. Try using the Warp13 software and see if that helps?

Josh
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completely foolproof is to underestimate the ingenuity of complete
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Byron A Jeff wrote:
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