You can use Microchip's low-cost PIC16F818 microprocessor and a pair of gates to construct a digital PLL that can clean noisy digital signals over a range of 4 to 40 kHz. Featuring programmable lock ...

A microprocessor needs to interact with the outside world. That includes communication with other microprocessors through communication protocols like I2C, SPI, and SCI etc. It also needs to ...