gnupic@linuxhacker.org

> 
> Hi Byron and everyone,
> I've downloaded and built your modified code, no problem there. I built 
> the circuit and got the system to the point of toggling the pins on the 
> programming socket (checked with a multimeter). But unfortunately I 
> couldn't program or read the device.
> 
> I'm attempting to program a 16F627.
> 
> Apart from setting the device code to [10] is there anything else I 
> should change in the config (polarity of signal, location of ID etc.)?
> 
> In terms of the hardware the web page details pins for '876:
> 	RB7/Data	40
> 	RB6/Clk	39
> 	MCLR/Vpp	1
> 	RB3/PGM	36
> 	OSC1/CLKIN	13
> 
> These don't match up with the '627 datasheet, can someone confirm that 
> for the 16F627 (DIL) these should be:
> 	RB1/DT	7
> 	RB2/CK	8
> 	MCLR		4
> 	RB4/PGM	10
> 	CLKIN		16

That's exactly correct. The RB3/PGM is for the 16F87X series of chips. For
the 16F62X series that pin is RB4/PGM.

Try moving it and see if you get better results.

I'll see about finding a way to clarify that point on my page. In fact
I think I have an idea....

BAJ

> 
> Thanks in advance,
> Simon Wood
> 
> -----Original Message-----
> From: byron@cc.gatech.edu [mailto:byron@cc.gatech.edu]
> Sent: Tuesday, March 19, 2002 3:52 PM
> To: j.duncan@bom.gov.au
> Cc: gnupic@linuxhacker.org
> Subject: Re: picprg
> 
> 
> I also have an updated version on my PIC page. Though Brian never published
> a GPL copy, he told me in correspondence that he wanted picprg to be GPL'd
> 
> http://www.finitesite.com/d3jsys
> 
> Hope this helps,
> 
> BAJ
> 
> 
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