Jinx,

definitely 512 res is enough but at this moment the hardware is
already made and Vref is not used so what ever solution we can
do without Vref is acceptable.

thanks

Andre


Jinx wrote:

>:
>  
>
>>just switch the vref between Vcc and Vref in
>>Only need 1 chip then
>>    
>>
>
>Yes, that would work, although you'd lose resolution with a wider
>Vref. Andre hasn't specified what resolution is acceptable, maybe
>512 on one half is OK
>
>  
>

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