On Fri, 12 Apr 2002 10:58:40 +0800, Matthew Leigh wrote:

>I'm drawing up a library component for an Atmel microcontroller, which has 
>a large number of multi-function pins (for instance, pins 32-39 are either 
>an 8-bit I/O port or half of the memory bus). I can see two ways of 
>representing this in the schematic library:
>
>1) Place 40 pins and give each one a title like "PA0 (AD0)".

Do this or why not make more than one version of the symbol with names
chosen for the application. The 8051 is the same and I have a version for
use with external address/data bus and another where all pins are I/O. 

>2) Place one pin for each function but with duplicate pin numbers (so 
>there's two of each pin, with different names).

Yuk

Cheers, Terry.

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