The PIC16F877-04/P is a mid-range 8-bit microcontroller from the PIC16 family. It features a powerful, yet easy-to-program CMOS Flash-based architecture with a 200-nanosecond instruction cycle and 35 single-word instructions. The device offers 14 KB of program memory, 368 bytes of data RAM, and an 8-channel, 10-bit analog-to-digital converter. It operates at a maximum frequency of 4 MHz and supports a wide voltage range of 2 to 5.5 volts, making it suitable for various embedded applications.