This demonstration shows the wide operating range of the MVIO by creating Pulse Amplitude
Modulated (PAM) waveforms on the MVIO port. The DAC on the AVR DB is used to synthesize
varying waveforms, while the integrated OPAMP buffers and supplies the MVIO rail. This
results in digital waveforms with analog modulation. For demonstration purposes, the
digital waveform shown is a 250 kHz PWM output (at 50% duty cycle) mixed with a sine
wave.Figure 2-1. PAM Output on MVIO
Port
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