Re: MC6821

From: Peter Bennett (peterbb_at_nowhere.invalid)
Date: 11/05/04 

Date: Fri, 05 Nov 2004 10:31:25 -0800

On Fri, 05 Nov 2004 13:30:44 GMT, "CV" <phenixindark@hotmail.com>
wrote:

>Hello,
>
>I found a few MC6821 and would like to do something with them. I found some
>MC68HCxxxx microcontrollers on http://www.freescale.com, but can't find the
>MC6821 there.
>Can anyone tell me where to look for the datasheets?
>
>If I want to do something with them, I will need a programmer. Does anyone
>know of a pretty simple programmer which makes it possible to program the
>microcontroller via the parallel/serial/usb-port of a pc? Which software to
>use?

The MC6821 is a parallel interface adaptor commonly used with Motorola
6800 and 6809 processors. It is not a microprocessor or
microcontroller by itself.

Any programming it needs (more correctly, configuration) is done by
the program running in the associated processor. 

-- 
Peter Bennett VE7CEI 
email: peterbb4 (at) interchange.ubc.ca        
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