The PIC18F87K90 is a high-performance 8-bit microcontroller from Microchip Technology. It features a 16-bit microcontroller with a maximum frequency of 64 MHz, making it ideal for high-speed applications. The PIC18F87K90 also offers a wide range of communication interfaces including USB, UART, SPI, and I2C, providing versatile connectivity options for a variety of applications. This microcontroller is equipped with 128 KB of flash memory and 3936 bytes of RAM, offering ample storage and memory for complex programs and data processing. It also includes a rich set of peripherals such as 12-bit analog-to-digital converters, real-time clock and calendar, and multiple timers and PWM modules, making it suitable for a wide range of embedded systems. With its high performance, versatile communication options, and rich set of peripherals, the PIC18F87K90 is an excellent choice for demanding industrial, automotive, and consumer applications that require reliable and efficient microcontroller solutions.