Microcontroller - Lecture Notes - Senior Design | ECE 480, Study notes of Principles of Theater Design

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Microcontroller The instruction set processor implemented as an integrated circuit that functions to control the embedded system. Parts or Features of Microcontrollers Instruction set (programmable) RAM (registers) ROM, PROM, EPROM (Instruction storage) ROM: Read-only memory PROM: Programmable ROM (Program set at factory) OTP: One-time programmable EPROM: Erasable programmable ROM I/O Ports (Serial, Parallel, I2C ...) Clock generator Reset function Watchdog timer (resets the controller after a problem occurs) Timers A/D converters D/A converters Examples: 8031 40 pins, 128 bytes RAM, I/O $3.25 8031 CMOS (low power), 40 pins, 128 bytes RAM, /O $5.49 DS80C320 High speed (25 MHz) version of 80C31 $12.95 8049 8-bit microcontroller (one of the oldest!) $0.95 8052AHBASIC Microcontroller with internal Basic $24.95 MC68HC11A1P Microcontroller with internal A/D $10.95 Z80H 40 pins, 8 MHz speed $2.95