circuitstodayImage: circuitstodayMicroprocessorschematicsymbol. Microprocessorsand microcontrollers are represented by a rectangle as a container; there's simply too much inside to use separate symbols for all functions. Microcontrollers Microcontroller A microcontroller is a small computer (SoC) on a single integrated circuit containing a processor core, memory, and programmable input/output peripherals. Program memory in the form of Ferroelectric RAM, NOR flash or OTP ROM is also often included on chip, as well as a typically small amount of RAM.enpediawith not too many pins have their connections usually at left and right,larger controllers will also use top and bottom for the pins. microcontroller - Microprocessor schematic symbol Is this answer helpful?Thanks!Give more feedbackThanks!How can it be improved?How can the answer be improved?Tell us how Original Schematics of the Intel 4004 Microprocessor A testimonial from Federico Faggin, designer of the 4004 and developer of its enabling technology. Original Schematics of the Intel 4004 Microprocessor. Definition of Microprocessor: Microprocessor is the name for the central processing unit of a computer (CPU) integrated into a single chip of silicon. Microprocessor Circuits - Electronics Tutorial and Microprocessor Circuits. The device will control a number of lamps by using some form of AC power control. The firmware in the microcontroller will handle all functions, from decoding the protocol on either of the input interfaces through to Timing the firing of power triacs for the output.