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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 ...
MCS-51 8051 family – also incl. 8X31, 8X32, 8X52; X=0, 3, 7 or 9; MCS-151 High-performance 8051 instruction set/binary compatible family; 8/16-bit/32-bit. MCS-251 32-bit ALU with 1/8/16/32-bit CISC instruction set and 24-bit external address space (16-bit wide segmented). Fully binary compatible to the 8051 8-bit family. 16-bit
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 ...
Intel 8051 / MCS-51 family NOP: 1 0x00 Intel 8080, Intel 8085, Z80: NOP: 1 0x00 DEC Alpha: NOP: 4 0x47FF041F Opcode for BIS r31,r31,r31, an instruction that bitwise-ORs the always-0 register with itself. AMD 29k: NOP: 4 0x70400101 Opcode for aseq 0x40,gr1,gr1, an instruction that asserts that the stack register is equal to itself. [3] ARM A32 ...
An orthogonal instruction set does not impose a limitation that requires a certain instruction to use a specific register [1] so there is little overlapping of instruction functionality. [ 2 ] Orthogonality was considered a major goal for processor designers in the 1970s, and the VAX-11 is often used as the benchmark for this concept.
SDAS (fork of ASxxxx Cross Assemblers and part of the Small Device C Compiler project): GPL: several target instruction sets including Intel 8051, Zilog Z80, Freescale 68HC08, PIC microcontroller. The Amsterdam Compiler Kit (ACK) targets many architectures of the 1980s, including 6502 , 6800 , 680x0 , ARM , x86 , Zilog Z80 and Z8000 .
When you use your oven to cook (as opposed to a stovetop, grill, or smoker, for example), heat is coming from the top and the bottom. ... But a great many sweet baked items are cooked in an oven ...
The x86 instruction set refers to the set of instructions that x86-compatible microprocessors support. The instructions are usually part of an executable program, often stored as a computer file and executed on the processor. The x86 instruction set has been extended several times, introducing wider registers and datatypes as well as new ...