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The Intel MCS-51 (commonly termed 8051) is a single chip microcontroller (MCU) series developed by Intel in 1980 for use in embedded systems. The architect of the Intel MCS-51 instruction set was John H. Wharton. [1][2] Intel's original versions were popular in the 1980s and early 1990s, and enhanced binary compatible derivatives remain popular ...
An AT89c2051 microcontroller in circuit. The Atmel AT89 series is an Intel 8051-compatible family of 8 bit microcontrollers (μCs) manufactured by the Atmel Corporation.. Based on the Intel 8051 core, the AT89 series remains very popular as general purpose microcontrollers, due to their industry standard instruction set, their low unit cost, and the availability of these chips in DIL (DIP ...
Atmel Corporation. Atmel Corporation was a creator and manufacturer of semiconductors before being subsumed by Microchip Technology in 2016. Atmel was founded in 1984. The company focused on embedded systems built around microcontrollers. Its products included microcontrollers (8-bit AVR, 32-bit AVR, 32-bit ARM -based, automotive grade, and 8 ...
The 8080 System Design Kit (SDK-80) of 1975 provided a training and prototype vehicle for evaluation of the Intel 8080 microcomputer system (MCS-80), clocked at 2.048 MHz. (The basic 8080 instruction cycle time was 1.95 μs, which was four clock cycles.) The SDK-80 allowed interface to an existing application or custom interface development.
Among the first of the AVR line was the AT90S8515, which in a 40-pin DIP package has the same pinout as an 8051 microcontroller, including the external multiplexed address and data bus. The polarity of the RESET line was opposite (8051's having an active-high RESET, while the AVR has an active-low RESET), but other than that the pinout was ...
Microcontroller. The die from an Intel 8742, an 8-bit microcontroller that includes a CPU running at 12 MHz, 128 bytes of RAM, 2048 bytes of EPROM, and I/O in the same chip. Two ATmega microcontrollers. A microcontroller (MC, UC, or μC) or microcontroller unit (MCU) is a small computer on a single integrated circuit.
The answer was “girls who wear glasses.” Defending champion Will Wallace got the answer right. “Yeah, a little problematic,” host Ken Jennings said after Wallace gave his answer.
DS80C390. The DS80C390 is a microcontroller, introduced by Dallas Semiconductor (later part of Maxim Integrated Products, now part of Analog Devices ), whose architecture is derived from that of the Intel MCS-51 (aka. 8051) processor series. It contains a code memory address space of twenty-two bits. It also contains two Controller Area Network ...