This project report details the application of the ATMEGA328p microcontroller in building a digital clock. The document begins by introducing the ATMEGA328p, an AVR-based microcontroller, highlighting its features such as interrupt handling, on-chip peripherals, and its Harvard architecture. It emphasizes the microcontroller's memory capabilities, including EEPROM and SRAM, and its low power consumption. The report discusses key features like the reduced instruction set, core architecture, and the ALU's role. It explains the function of various peripherals, including the Serial UART, SPI, I2C, and timer counters used for measuring time and PWM. The report also describes external programming using a 6-pin ISP port and the interrupt handling mechanisms. Finally, the report concludes by emphasizing the ATMEGA328p's powerful architectural design and its suitability for digital applications, supported by multiple references.
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