Microcontrollers

Microcontrollers

1. Small computer on a single IC

   • Memory
     • Flash
       • Programs
     • RAM
       • Data
       • SRAM
     • EEPROM
   • CPU
     • Control Unit
     • Datapath
   • I/O
     • Digital I/O
     • GPIO
   • Peripherals
     • USB
     • Timer
     • ADC
     • DAC
     • PWM
     • UART
     • DMA

2. Applications

   • Home appliances
     • Dishwasher
     • Cofeemaker
   • Office machines
     • Modem
     • Router
   • Remote controls
   • Implantable medical devices
   • Battery chargers
   • Toys
   • Mobile devices

3. Differences with a general purpose computer

   • No user interphase
   • No expandable memory
   • Single IC system
   • No external access to buses
   • Peripherial interphases included
   • Larger read-only memory

4. Programming

   • High-Level Language
     • C++
     • C
   • Low-Level Language
     • Assembly language
       • Maximum efficiency

5. Types

   • Bits
     • 8
     • 16
     • 32
   • Memory/Devices
     • Embedded
     • External memory
   • Instruction set
     • RISC
     • CISC
   • Memory architecture
     • Harvard
     • Von Neumann

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