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Re: [avr-chat] ADCW only returns 1023
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From: |
Erik Christiansen |
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Subject: |
Re: [avr-chat] ADCW only returns 1023 |
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Date: |
Thu, 31 Jan 2008 17:06:59 +1100 |
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User-agent: |
Mutt/1.5.9i |
On Wed, Jan 30, 2008 at 10:10:08PM -0700, Mikey Sklar wrote:
> The ADCW register reports back 1023 despite my sensors running a wide
> range of values between 1.9V - 5V.
What is the ADC's reference voltage? If it's internal, what can be
measured on AREF? Is the input simply exceeding the reference, giving a
saturated reading?
> Has anyone else seen this behavior before?
Ooooh, no, never. The questions above couldn't possibly result from
having seen something like that. :^)
Erik