80C32 emulation?

Gordon JC Pearce gordonjcp at gjcp.net
Mon Feb 11 16:26:34 CST 2008

On Mon, 2008-02-11 at 21:44 +0000, Tony Duell wrote:

> Don't keep me in suspense. What did they do?

Have a look at the pinout for a JEDEC EPROM and an 80C32, and line them
up so that all the pin 1 ends are level.  Now imagine the HC573 in

What pins does the 80C32 use for AD0-7?  What about A0-7 on the EPROM?

Yup.  They're flipped.


More information about the cctech mailing list