![]() ![]() * This application note describes a low frequency PWM generation with only one general purpose timer. High frequency PWM is not always necessary that allows users to save one of the two timers. we can use 2 timers (one for frequency and one for the duty cycle for this task) to achieve a high frequency PWM, but a Unfortunately, not all the MCU has PWM timer built in as an alternative solution. The simplest form is produced directly from PWMtimer dedicated PWM There are several ways to generate a PWM. ![]() Knowing in advance that the basic principle of the Digital Analog Converter is the generation of PWM. ![]() Some digital to analog conversion (DAC) DAC may require a simple channel MCU Because most do not have a DAC built in and external DAC mostly too expensiveĪn alternative method for a channel DAC is used which is the generation of Pulse Width Modulator (PWM) is then integrated by a low pass filter.īy providing a channel DAC with a resistor and capacitor in which the additional advantage DAC resolution can be configured by software. ![]()
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