Mikrodenetleyiciler/Mikrokontrol örler (Microcontrollers) Bu Sunu Adresindeki Video İçeriği Kullanılarak Hazırlanmıştır.

The Intel 4004, The First CPU (November 1971) The first single chip CPU was the Intel 4004, a 4-bit processor meant for a calculator. It processed data in 4 bits, but its instructions were 8 bits long. Program and Data memory were separate, 1K data memory and a 12-bit PC for 4K program memory. There were also sixteen 4-bit (or eight 8-bit) general purpose registers. The 4004 had 46 instructions, using only 2,300 transistors in a 16-pin DIP. It ran at a clock rate of 740 kHz. The 4040 (1972) was an enhanced version of the 4004, adding 14 instructions, larger (8 level) stack, 8K program space, and interrupt abilities.

TI TMS 1000, The First Microcontroller (1974) Texas Instruments (TI) followed the Intel 4004/4040 closely with the 4-bit TMS 1000, which was the first microprocessor to include enough RAM, and space for a program ROM, and I/O support on a single chip to allow it to operate without multiple external support chips, making it the first microcontroller.

Programming Levels of Microcontrollers

3-bit Flash ADC (Parallel ADC) (3-bit Resolution) Voltage Divider (Gerilim Bölücü) Comparators (Karşılaştırıcılar) Öncelikli Kod Çözücü

Descriptive reference documentation available Simple development environment Processing frequency higher than 8 MHz Digital, Analog and PWM pins available (How many of them?) Low voltage (operating voltage 3-5V ) Affordable price (<$10.00) The necessary communication protocols (UART & SPI) Some Basic Criteria for Microcontroller Selection Microcontroller should have:

MSP430FG4618 vs. ATmega328P Features MSP430FG4618ATmega328P-PU Data Bus (core size) 16 bit8 bit Speed8MHz Storage 16KB 32KB Memory 8KB2KB Digital I/O 8014 Analog I/O126 Supply voltage V V UART & SPI yes Price /chipFREE (LQFP)FREE (DIP)