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The PIC18F4520 is a high-performance 8-bit microcontroller from Microchip Technology’s PIC18 family, designed for advanced embedded system applications. It offers enhanced computational capabilities with an efficient architecture, making it suitable for projects requiring reliable processing power and multiple peripheral options. Operating at speeds up to 40 MHz, the PIC18F4520 delivers fast instruction execution and low power consumption, which is ideal for battery-operated and portable devices. It comes equipped with 32 KB of Flash memory for program storage, 1.5 KB of SRAM for data handling, and 256 bytes of EEPROM for non-volatile memory, allowing for flexible and persistent data storage. This microcontroller supports a wide array of on-chip peripherals, including three timers (two 8-bit and one 16-bit), a 10-bit, 13-channel Analog-to-Digital Converter (ADC), and multiple communication interfaces such as USART, SPI, and I2C. It also features enhanced interrupt handling, multiple I/O ports, and a built-in watchdog timer for improved system reliability. The PIC18F4520’s rich peripheral set and efficient architecture make it a popular choice for applications such as industrial automation, robotics, data acquisition, and consumer electronics. It is fully supported by Microchip’s MPLAB X IDE and XC8 compiler, which streamline programming and debugging.

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