MCS® 51 Microcontroller Family User's Manual
The MCS® 51 Microcontroller Family User's Manual is an excellent tutorial for beginners and a valuable reference manual for experienced developers. It contains:
A must for all 8051 newbies!!!
It has been published by Intel Corporation as a hardcopy (order number 272383-002) and in Portable Document Format (PDF). It is still available from several mirror sites:
The original Intel file name was 27238302.pdf.
Last revised: W.W. Heinz, June 6, 2015