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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 ...
J. H. Wharton was the architect of the instruction set of the Intel MCS-51, [3] commonly known as the 8051. The MCS-51 and its derivatives are Intel's highest volume microprocessor, [8] and among the most implemented instruction set architectures of all time. [2] [3]
Intel's second generation of 32-bit x86 processors, introduced built-in floating point unit (FPU), 8 KB on-chip L1 cache, and pipelining. Faster per MHz than the 386. Small number of new instructions. P5 original Pentium microprocessors, first x86 processor with super-scalar architecture and branch prediction. P6
In the 1980s, Intel introduced the 8051 as the first member of the MCS-51 processor family. Today, hundreds of cheap derivatives are available from tens of manufacturers. This makes the architecture very interesting for professionals and hobbyists. It is surprising that this 8-bit architecture is still in use today, and is still so popular.
Intel MCS-51, Intel 8051 processor architecture and chip family Intel MCS-151 , Intel 80151 processor architecture and chip family Intel MCS-251 , Intel 80251 processor architecture and chip family
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 ...
External wiring can also convert a strictly Harvard CPU core into a modified Harvard one, for example by simply combining `PSEN#` (program space read) and `RD#` (external data space read) signals externally through an AND gate on an Intel 8051 family microcontroller, the microcontroller are said to be "von Neumann connected," as the external ...
Intel SDK-51 Intel SDK-51. The SDK-51 MCS-51 System Design Kit, released in 1982, contains all of the components of a single-board computer based on Intel's 8051 single-chip microcomputer, clocked at 12 MHz. The SDK-51 uses the external ROM version of the 8051 (8031).