Rainbow-electronics ATmega64M1 Manuel d'utilisateur télécharger pdf (Page 266)

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101

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8209A–AVR–08/09

ATmega16M1/32M1/64M1

Figure 25-1. Digital to Analog Converter Block Schematic

25.3 Operation

The Digital to Analog Converter generates an analog signal proportional to the value of the DAC

registers value.

In order to have an accurate sampling frequency control, there is the possibility to update the

DAC input values through different trigger events.

DAC Output

Driver

DALA DAOE DAEN

-DAATE DATS2 DATS1 DATS0

DACH DACL

DACON

1010

VRef

D2A pin

DAC

Result

Update DAC

Trigger

DAC Low bitsDAC High bits

Edge

Detector

Sources

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Rainbow-electronics ATmega64M1 Manuel d'utilisateur Page 266

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