A microcontroller also called MCUs or Microcontroller Unit is a single integrated circuit (IC) that is used for a specific application.
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The Central Processing Unit (CPU) The Random-Access Memory (RAM) The Read-Only Memory (ROM)
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The Read-Only Memory (ROM) The Input/Output Ports (I/O Ports) Internal Oscillator The Electrical Erasable Programmable Read-Only Memory (EEPROM)
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It regulate a singular function in a device. It does regulate by interpreting data it receives from its Input-Output peripherals using its central processor.
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Based on width- Bus-width: 8-bits Microcontroller: 16-bit Microcontroller: 32-bit Microcontroller:
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Based on Memory- Embedded Memory Microcontroller: External Memory Microcontroller:
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Based on Instruction Set Architecture- CISC (Complex Instruction Set Computer): RISC (Reduced Instruction Set Computers):
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Based on Microcontroller Architecture- Harvard Architecture Microcontroller: Von Neumann (or Princeton) Architecture Microcontroller:
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They Reduce the cost and size of the system Act as a microcomputer Instruction cycle timer Easily interface additional RAM, ROM, I/O ports
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have a more complex architecture than microprocessors can only perform a limited number of executions simultaneously
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Altera, Analog Devices, Atmel, Espressif Systems, Freescale Semiconductor, Cypress Semiconductor, ELAN Microelectronics Corp,
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