Re: 6526A synchronous serial behavior?

> The interesting question is... Does the 8521 behave like a 6526 or  
> like a 6526A?

6526A means a 6526 that runs at 2MHz.  It has nothing to do with
die revision.  There seems to be a strong correlation though, most
later chips were 2MHz and most older were not.


Segher


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