I built a Win98 partition and tried from this, no joy. I'm continuing to use
this build for now.
I've tried another 16F877 still the same.
Also tried a 9V 300ma rather than my desktop 12V 1A supply, still the same.

Then scoped the RB6 & RB7 pins.

If I go into the Settings menu in IC_Prog and select Hardware Check.
Ticking 'Enable Data Out' pushes RB7 high (about 5V).
The software also shows the Data In is seeing this back in.
Ticking 'Enable Clock' pushes RB6 high (about 5V).

However, if I probe these two pins during programming I see RB6 clocking 5V
with a mark:space raio of about 1:2.
However the data line shows about a dozen spikes of around 0.2V for each
clock cycle... this doesn't look right.

I'll look into it more and see what signals are on the serial line rahter
than the pins, to see if its the board...

Cheers for your help...


Kev/.


----- Original Message -----
From: "Bruce" <tech@RENTRON.COM>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Saturday, May 08, 2004 10:04 PM
Subject: Re: [PIC]: Anyone out there using the EASY-PIC dev board


> Hi Kev,
>
> > Thanks for the reply. Im using a 16F877 and the onboard programmer.
> >
> > I'm runnning Windows XP and have the IC-Prog v1.04 programmer set up as:
> >
> > Hardware:
> > JDM Programmer
> > Port: Com1
> > I/O Delay: 10
> > Interface: Windows API
> > Communication: None selected
> >
> > Configuration:
> > Oscillator: XT
> > Code Protect: CP OFF
> > I've tried the default fuses it selects for you (WDT, PWRT, BODEN, WRT)
> > I've also tried will them all turned off as shown in the manual.
>
> Here's my setup;
>
> Windows ME OS
>
> Hardware:
> JDM Programmer (v1.04)
> Port: Com1
> I/O Delay: 10
> Interface: Direct I/O
> Communication: None selected
>
> Device: PIC16F877
> P.S. 9VDC 500mA
> ISP jumpers J3, 4, 5 ON
>
> If you're connecting to the DB-9 marked (in system programming connector)
> and you have the green LED on when the ISP switch is engaged, I can't see
> what would cause the problem unless you have LVP on, or a timing issue
with
> the API on your XP box.
>
> Have you tried;
>
> 1. Placing an O-Scope on RB6 & RB7 to see if you're getting clock & data
signals
>     through to the device socket?
>
> 2. A different P.S.?
>
> 3. Another 16F877?
>
> Regards,
>
> -Bruce
> tech@rentron.com
> http://www.rentron.com
>
> --
> http://www.piclist.com hint: The PICList is archived three different
> ways.  See http://www.piclist.com/#archives for details.

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