Re: Parallel programming of Tiny26 on an STK500

At 20:53 17/05/2003 -0700, Larry Barello wrote:
>Has anyone successfully programmed (or at least erased) a tiny26 using the 
>STK in high
>voltage programming mode?
>
>I built the special cables needed, but it refuses to work.  I am kind of 
>thinking maybe
>it simply doesn't work...  Serial programming works great until I enable 
>PB7 - whereupon
>the only way to get the chip back is by a full erase and it ain't working!

Obvious but worth checking, do you actually have +12V at the RESETn pin 
when programming?  You would need around 15V to the STK board since it has 
a rectifier and 317 regulator.  Datasheet says 11.5-12.5V is required.

Cheers,

Jason Kyle


>Fie.
>
>I am using studio 3.56 and the STK500 software that came with Studio 4 and 
>supports the
>tiny26.
>
>----
>Larry Barello
>www.barello.net
>
>
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