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)".

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

Which, or both, of these methods is legal (Protel 99SE) and which is advisable?

Thanks
Matthew Leigh

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