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HandWiki. Intel MCS-51. Encyclopedia. Available online: https://encyclopedia.pub/entry/29243 (accessed on 25 September 2026).
HandWiki. Intel MCS-51. Encyclopedia. Available at: https://encyclopedia.pub/entry/29243. Accessed September 25, 2026.
HandWiki. "Intel MCS-51" Encyclopedia, https://encyclopedia.pub/entry/29243 (accessed September 25, 2026).
HandWiki. (2022, October 14). Intel MCS-51. In Encyclopedia. https://encyclopedia.pub/entry/29243
HandWiki. "Intel MCS-51." Encyclopedia. Web. 14 October, 2022.
Intel MCS-51
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The content is sourced from: https://handwiki.org/wiki/Engineering:Intel_MCS-51

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. Intel's original versions were popular in the 1980s and early 1990s and enhanced binary compatible derivatives remain popular today. It is an example of a complex instruction set computer, and has separate memory spaces for program instructions and data. Intel's original MCS-51 family was developed using N-type metal-oxide-semiconductor (NMOS) technology like its predecessor Intel MCS-48, but later versions, identified by a letter C in their name (e.g., 80C51) use complementary metal–oxide–semiconductor (CMOS) technology and consume less power than their NMOS predecessors. This made them more suitable for battery-powered devices. The family was continued in 1996 with the enhanced 8-bit MCS-151 and the 8/16/32-bit MCS-251 family of binary compatible microcontrollers. While Intel no longer manufactures the MCS-51, MCS-151 and MCS-251 family, enhanced binary compatible derivatives made by numerous vendors remain popular today. Some derivatives integrate a digital signal processor (DSP). Beyond these physical devices, several companies also offer MCS-51 derivatives as IP cores for use in field-programmable gate array (FPGA) or application-specific integrated circuit (ASIC) designs.

digital signal processor single chip integrated circuit

References

  1. John Wharton: Using the Intel MCS-51 Boolean Processing Capabilities Application Note AP-70, May 1980, Intel Corporation. http://www2.elo.utfsm.cl/~lsb/elo311/aplicaciones/intel/booleanproc.pdf
  2. "8051 Tutorial: Interrupts". http://www.8052.com/tutint.phtml. 
  3. "TASKING". https://www.tasking.com/. 
  4. "TK80H51 250ºC Microcontroller". Tekmos Inc.. http://www.tekmos.com/products/80c51-microcontrollers/tk80h51-250-c-microcontroller. Retrieved 23 August 2017. 
  5. "HIGH TEMPERATURE 83C51 MICROCONTROLLER". Honeywell. http://www.keil.com/dd/docs/datashts/honeywell/ht83c51.pdf. Retrieved 23 August 2017. 
  6. "Microcontrollers and Microprocessors". Cobham Semiconductor Solutions. http://ams.aeroflex.com/pagesproduct/prods-hirel-uprocessors.cfm. Retrieved 23 August 2017. 
  7. "Микроконтроллеры" (in Russian). OAO "NIIET". http://niiet.ru/goods/chips/microcont. Retrieved 22 August 2017. 
  8. "Archived copy". http://play.tojsiab.com/WFhtU3d2djNXckUz. 
  9. https://www.youtube.com/watch?v=H9sDn89EvD8
  10. "ELEC2700 - Computer Engineering 2 - University of Newcastle - Textbooks | Zookal.com". https://www.zookal.com/. 
  11. http://s3.amazonaws.com/f01.justanswer.com/88willy/2012-06-29_065532_assignment_03.pdf
  12. ACALL is a 2-byte subroutine calling instruction, it can access locations within the same 2 KB segment of memory. The absolute memory address is formed by the high 5 bits of the PC and the 11 bits defined by the instruction.
  13. Han-Way Huang. "Embedded System Design with C8051". p. 238. https://books.google.com/books?id=PnXNNGG_jMMC
  14. Lewin A. R. W. Edwards. "So, You Wanna be an Embedded Engineer: The Guide to Embedded Engineering, from Consultancy to the Corporate Ladder". 2006. p. 51. https://archive.org/details/pdfy-MKFMCCNbqENoR3Ft
  15. Bradford J. Rodriguez. "CamelForth/8051". http://www.camelforth.com/page.php?4
  16. Brad Rodriguez. "Moving Forth Part 7: CamelForth for the 8051". http://www.bradrodriguez.com/papers/moving7.htm
  17. "8051 SwiftX Forth development". http://www.forth.com/embedded/swiftx-embedded-systems-development-tools.html?MCU=8051
  18. "MPE VFX Forth 7 cross compilers". http://www.mpeforth.com/xc7.htm
  19. Ganssle, Jack (2006-05-29). "Intel bows out, discontinues MCS-51". http://www.embedded.com/electronics-blogs/break-points/4025678/Intel-bows-out. 
  20. "MCS 51, MCS 251 and MCS 96 Microcontroller Product Lines, the Intel 186, Intel386 and Intel486 Processors Product Lines, and the i960 32 Bit RISC Processor, PCN 106013-01, Product Discontinuance, Reason for Revision: Add Key Milestone information and revise description of change". Intel. 2006-05-02. http://qdms.intel.com/dm/d.aspx/7C715FEC-C598-444E-9EFB-2750B98F7956/PCN106013-01.pdf. 
  21. http://www.analog.com/static/imported-files/data_sheets/ADUC832.pdf
  22. "Микроконтроллеры и супервизоры питания Серии 1880; 1881; 1842; 588; 1345; 5518АП1ТБМ" (in Russian). OAO "Integral". http://integral.by/ru/products/mikrokontrollery-i-supervizory-pitaniya-serii-1880-1881-1842-588-1345-5518ap1tbm. Retrieved 6 January 2017. 
  23. "Однокристальные микро-эвм" (in Russian). Kristall. http://krystall.net.ua/ru/products/53.html. Retrieved 5 January 2017. 
  24. Hussaini (20 August 2019). "Why do we have to use the 8051? Isn't it too old?". https://www.technobyte.org/8051-not-old-still-popular-use-why/. 
  25. datasheetq.com. "89V54RD2 Datasheet PDF Download - Silicon Storage Technology" (in en). https://www.datasheetq.com/datasheet-download/190246/1/SST/89V54RD2. 
  26. "STC Microcontroller---STCmicro Technology Co,.Ltd". http://www.stcmicro.com/stcmcu.html. 
  27. "TI Delivers new low-cost, high-performance audio DSP for Home and Car w/ 8051". http://www.8052.com/news?NEWSID=61#. 
  28. "Atmel AT85C51SND3 Audio DSP Data Sheet with USB 2.0". http://www.keil.com/dd/docs/datashts/atmel/at85c51snd3.pdf. 
  29. Salim, A.J.; Othman, M.; Ali, M.A. Mohd (October 5, 2006). "Integration of 8051 With DSP in Xilinx FPGA". pp. 562–566. doi:10.1109/SMELEC.2006.380694. https://ieeexplore.ieee.org/document/4266677/?reload=true&tp=&arnumber=4266677&url=http://ieeexplore.ieee.org/iel5/4266544/4266545/04266677.pdf?arnumber=4266677. 
  30. "Intel MCS® 151 and MCS® 251 Microcontrollers". http://datasheets.chipdb.org/Intel/MCS51/151BACK.HTM. 
  31. The 8051 microcontroller By Kenneth J Ayala Google books https://books.google.com/books?id=l6lveWkWqFoC&pg=PA400&lpg=PA400&ots=aX1rfMDJdF&dq=intel+80251&ie=ISO-8859-1&output=html
  32. http://datasheets.chipdb.org/Intel/MCS51/DATASHTS/27262001.PDF
  33. "Temic TSC80251 Architecture". http://pe2bz.philpem.me.uk/pdf%20on%20typenumber/A-C/C251.pdf. 
  34. "Atmel TSC80251 Programmers Guide". http://www.cs.unc.edu/~vicci/comp261/project/mcu/80251_prog_man.pdf. 
  35. DQ80251 32bit Microcontroller DCD http://dcd.pl/workspace/documentation/lat/dq80251_ds.pdf
  36. R80251XC 32bit Microcontroller Evatronix http://www.evatronix.pl/products/pdf/r80251xc_datasheet.pdf
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