Re: Difference between 6502 and 6502A??

From: Rodger Boots <rlboots_at_cedar-rapids.net>
Date: Sat Sep 30 2000 - 14:02:39 EDT

Peter got it the closest. There is confusion because different processors use the suffix
letter differently. For 6502 it's:
    6502 1 MHz
    6502A 2 MHz
    6502B 3 MHz

While you 6800 people go:
    6800 1MHz
    6800A 1.5 MHz
    6800B 2 MHz

peter jones wrote:

> -----Original Message-----
> From: Ibfoneman@aol.com
> To: vectorlist@synthcom.com
> Date: Fri, 29 Sep 2000 21:22:51 EDT
> Subject: Re: VECTOR: Difference between 6502 and 6502A??
>
> > That is correct. The 6502 is a 1 MHz and the 6502A is a 1.5 MHz. The
> > schematic for an asteroids specifies this information.
> > ---------------------------------------------------------------------------
> Actually its like this!
>
> 6502 = 1Mhz.
> 6502A = 2Mhz.
> 6502B = 4Mhz.
>
> Asteroids probably had a simple choice, overclock the standard part, or play it safe.
> (I wonder if companys now would make the same decision!)
>
> L8r.
>
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--
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Received on Sat Sep 30 14:09:18 2000

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