On Thu, 28 Feb 2002, Nicolas Welte wrote:
> > What about the 6532 that I have seen in the Commodore printers? how do the
> > the pin-outs compare to 6522 or 6526 or even the 8520 (Amiga CIA) or 8521
> > (C128)? - do these match the 6821?
>
> I don't know *how* different the pinouts are, but they are different. The 6532
> is a RIOT (RAM, I/O and timer), similar, but not pin compatible to the 6530
> RIOT that contains less RAM, but also a ROM.
6530 is RRIOT, isn't it? As in ROM RAM I/O Timer. At least that's what it
said in a 6502 applications manual. (3rd party I think)
> There's also the 6523 and 6525 triport interface adaptors: pin and register
> compatible, but the 6525 has more registers and functions.
Isn't 6523 TIA a 28 pin device? I thought these were basically package
options of the same die; 6525 TIA in a 40 pin package.
Richard
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