found: Work cat: 2016047024: Microcontroller system design using PIC 198F processors, 2017.
found: Appled science, viewed March 31, 2017(uncontrolled keyword: PIC microcontroller)
found: Engineering village, viewed March 31, 2017(uncontrolled term: PIC microcontrollers)
found: Inspec, viewed March 31, 2017(uncontrolled: EMR PIC microcontroller; PIC 16F877A microcontroller, etc.)
found: Wikipedia, viewed March 31, 2017(PIC microcontroller; a family of microcontrollers made by Microchip Technology; Peripheral Interface Controller; first available in 1976)
found: Whatis TechTarget, viewed June 19, 2017(PIC microcontrollers are a family of specialized microcontroller chips produced by Microchip Technology in Chandler, Arizona; PIC stands for "peripheral interface controller;" they feature ease of reprogramming with built-in EEPROM (electrically erasable programmable read-only memory), an extensive collection of free application notes, abundant development tools, and a great deal of information available on the Internet)