Keil Logo

A51: Instruction Set Manual

Information in this article applies to:

  • C51 All Versions


Where can I find a copy of the 8051 instruction set?


There are a number of good places to find the 8051 instruction set.

  • Refer to 8051 Instruction Set in the 8051 Instruction Set Manual.
  • Peruse the Keil Device Database ( and check the data sheets of the different chip vendors for their instruction set manuals.
  • Check the Keil C51 tools product page ( There, you will find a link to the Intel 8051 instruction set manual.

Last Reviewed: Thursday, February 25, 2021

Did this article provide the answer you needed?
Not Sure
  Arm logo
Important information

This site uses cookies to store information on your computer. By continuing to use our site, you consent to our cookies.

Change Settings

Privacy Policy Update

Arm’s Privacy Policy has been updated. By continuing to use our site, you consent to Arm’s Privacy Policy. Please review our Privacy Policy to learn more about our collection, use and transfers
of your data.