Question: One way to generate a sine wave using a microcontroller is using a lookup table and interrupts. An internal timer interrupts the processor periodically. In

One way to generate a sine wave using a microcontroller is

One way to generate a sine wave using a microcontroller is using a lookup table and interrupts. An internal timer interrupts the processor periodically. In the ISR, the processor reads an entry from the table and writes it to an on-chip DAC connected to the output pin. Assume that table uses 256 entries to describe a full cycle of the sine wave and each entry is 1 byte long. The ISR takes 1 microsecond to execute. What is the maximum frequency of the waveform that can be generated by this method? Ignore all other delays

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