Date : Mon, 27 Feb 2006 18:31:51 +0000
From : "Dr. David Alan Gilbert" <beeb@...>
Subject: Re: BEEBUG Eprom programmer
* Stephen Sudworth (ssudworth@...) wrote:
> Hello there,
>
> Has anyone out there built this programmer and got it to work correctly?
Yes - we used that for many years.
> I suspect that I've blown the TL497, the 1ohm resistor has smoked
> and blown (i've now replaced this with a 10ohm as i've got no 1ohm's-
> it still gets VERY hot), and there is no voltage on the Vpp pin.
I have a memory that they published a load of fixes a month or two
after the original; I think they were quite extensive - so if you
are going from the original article its likely to be wrong.
Having said that - its many many years since I looked at it so I can't
remember any details.
Dave
-----Open up your eyes, open up your mind, open up your code -------
/ Dr. David Alan Gilbert | Running GNU/Linux on Alpha,68K| Happy \
\ gro.gilbert @ treblig.org | MIPS,x86,ARM,SPARC,PPC & HPPA | In Hex /
\ _________________________|_____ http://www.treblig.org |_______/