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Re: [avr-gcc-list] How to (efficeiently !!!) test a bit within amulti-by

From: Vincent Trouilliez
Subject: Re: [avr-gcc-list] How to (efficeiently !!!) test a bit within amulti-byte integer ?
Date: Sat, 05 Nov 2005 01:23:28 +0100

> For a long time I always put address bit 0 on address pin A0 of the
> memory, 
> bit 1 on A1, etc. But this is not always needed! Especially for a RAM 
> device where you the AVR is the only one having access, the address
> lines 
> can be swapped as you like. The same holds for the data lines. For ROM
> memory 
> I have use this as well to enable better PCB routing and just swapped
> the contents 
> before flashing. 
> but I found it a nice extra design parameter I could play with. 
> Regards, 
> Martijn.

Interesting, thanks :o)


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