AVR-Chat

Hi Paul,

My mistake, I should have said ISP - not SPI. My point was that it 
has nothing to do with parallel programming and it is sensed on power-
up.

Cheers,
Les.


On 16 Dec 2004 at 15:17, Paul Maddox wrote:

> 
> Les,
> 
> > Wrong. PEN stands for Programming Enable and it is for SPI
> > programming - not parallel. Please check the data sheet (page 7 of
> > rev I). It is only used on a power-on-reset.
> 
> Disagree, I tied the /PEN pin high (via a resistor, yeah I know) and I
> program it with the AVRISP programming adapter without any problems (using
> RXD and TXD of USART0 instead of MOSI/MISO lines)
> 
> Paul
> 
> 
> 
> 
>  
> Yahoo! Groups Links
> 
> 
> 
>  
> 
> 
> 


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Les Grant. VK2KYJ.      Phone: 02 9896 7150 Fax: 02 9896 7153
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