AVR-Chat

--- In AVR-Chat@yahoogroups.com, "Jim Wagner" <jim_d_wagner@a...> 
wrote:
> You don't need to mess with the ADC. The PWM is quite
> accurate and very deterministic.

Also, if you only need the analog voltage for short periods of time 
you can implement it completely in software, sort of a pseudo-PWM, 
using an external RC filter for smoothing.  This can be done using 
any digital output.  It's especially easy if you only need 8-bit 
resolution.