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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 .
SAB-C515-LN by Infineon is based on the 8051. The Infineon XC800 family is an 8-bit microcontroller family, first introduced in 2005, [1] with a dual cycle optimized 8051 "E-Warp" [2] [3] core. The XC800 family is divided into two categories, the A-Family for Automotive and the I-Family for Industrial and multi-market applications.
Name License Source model Target uses Status Platforms Apache Mynewt: Apache 2.0: open source: embedded: active: ARM Cortex-M, MIPS32, Microchip PIC32, RISC-V: BeRTOS: Modified GNU GPL: open source
A microcontroller can be considered a self-contained system with a processor, memory and peripherals and can be used as an embedded system. [27] The majority of microcontrollers in use today are embedded in other machinery, such as automobiles, telephones, appliances, and peripherals for computer systems.
Microcontroller products are centred around an ARM core in the case of 32-bit products and 8051 based core and Holtek's own core in the case of 8-bit products. Located in the Hsinchu Science Park ( [1] ), the company's product range includes the following microcontroller device series:
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 ...
For example, the program counter is not directly writeable in many microcontroller architectures. Instead, the programmer uses instructions such as return from subroutine, jump, or branch to modify the program counter. For another example, the condition code register might not be directly writable, instead being updated only by compare ...
The documentation for microcontrollers from past decades would easily be inclusive in a single document, but as chips have evolved so has the documentation grown. The total documentation is especially hard to grasp for all ARM chips since it consists of documents from the IC manufacturer ( NXP Semiconductors ) and documents from CPU core vendor ...
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