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The '1801 series CPUs were a family of 16-bit Soviet microprocessors based on the indigenous Elektronika NC microarchitecture cores, but binary compatible with DEC's PDP-11 machines. First released in 1980, various models and variants of the series were among the most popular Soviet microprocessors and dominated the embedded systems and military applications of the 80'es. They were also used in such widely different areas as graphing calculators (Elektronika MK-85) and industrial CNCs (Elektronika NC series), but arguably their most well-known use was in several Soviet general-purpose mini- and microcomputer designs like SM EVM and DVK, UKNC and BK families respectively. Due to being the CPU of the popular Elektronika BK home computer, used in its late years as a demo machine, as well as DVK micros that often offered a first glimpse into the UNIX world, this processor achieved something of a cult status among Soviet and then Russian programmers.

UseEdit

These CPUs were used in:

  • Soyuz-Neon PC-11/16 PC, roughly similar to AT in performance (N1806VM2)
  • DVK series professional micros (various)
  • UKNC educational computers (KM1801VM2)
  • BK home computers (KM1801VM1)
  • Elektronika NC-31 lathe-control CNC
  • "Romashka" electronic typewriter
  • Various military and industrial applications

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