I have done a project with 74 ext. ref. it worked ok .
let me see the code ?

Andre

Vincent Deno wrote:

> Hello again.  I'm currently trying to use the A/D built into the 16C74.
> I've been able to get the module to work when using Vcc as the Vref.
> However, setting the Vref to RA.3 does not work.  I have already
> double-checked the obvious (tris registers, adcon0+1, line voltages,
> shorts, etc...)  Is there any special difference I should be aware of
> between using Vcc and RA3 as voltage reference?
>
> Thanks,
>
> Vincent Deno
> --------------
> Design Engineer
> Theta Digital Corp.
> www.thetadigital.com
> denovj@email.uc.edu
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