[ts-7000] Re: PC/104 16 Bit Acccess

["Tarun Tuli" <>]

Great.  So its safe to assume A0 will definately be low (as will BHE) on a word 
access to a 
aligned boundary as well?

--- In  "Jesse Off" <> wrote:
>
> 
> > Since only the BHE line was pulled onto the bus, I was wondering 
> what happens to the A0 
> > (Address Line 0) line during word accesses?
> 
> On 8-bit accesses to the 16-bit IO space (0x21e00000), A0 is valid.  
> e.g. If you do a byte read at 0x21e00101, a0 will be high and the CPU 
> will expect the return byte on the upper 8 data lines.
> 
> //Jesse Off
>







 
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