AVR-Chat

Using  bsf  and bcf   PORT?,n
Thanking You,
Owen.

>I know this is perhaps a bit off topic but I have several boards with
> PIC16F877 processors driving an HC595 shift register and the output
> pins from the pic driving the HC595 are virtually all glitches.
>
> It is hard to pick up a high or low as such on the logic analyser
> other outputs seem ok, has anyone any idea what may be causing this.
>
> And yes I do not like pic's I normally use AVR'S.

Perhaps you are having read/modify/write problems, are you using the bit 
manipulation instructions?

Leon 




 
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