gnupic: (modified) picprg with 16F627
Subject:
Re: (modified) picprg with 16F627
From:
####@####.#### (Byron A Jeff)
Date:
22 Mar 2002 11:49:49 -0000
Message-Id: <200203221141.g2MBfIV26384@cleon.cc.gatech.edu>
>
> 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: ####@####.#### ####@####.####
> Sent: Tuesday, March 19, 2002 3:52 PM
> To: ####@####.####
> Cc: ####@####.####
> 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
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: ####@####.####
> For additional commands, e-mail: ####@####.####
>
