Intel 8051

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The Intel 8051  (P/N 156-1684-00) is an 8-bit microcontroller monolithic integrated circuit (family), introduced in 1980.

The 8051 is the original version with 4 KB ROM and 128 byte RAM. The 8052 had 8 KB ROM and 256 byte RAM. There are also EPROM-based variants (8751 etc.), ROM-less versions (8031 with 128 bytes RAM, 8032 with 256 bytes RAM), and countless later versions from a large number of manufacturers in NMOS and CMOS, also with more peripherals built in.

The 11A32, 11A34, and 11A52 use a compatible OKI part with 16 KByte on-chip ROM (160-3663-00) to accommodate their 14 KByte code.

Links

Pinout (click to enlarge)

Used in

Some instruments using part Intel 8051

Instrument Manufacturer Class Description Introduced
11A32 Tektronix Plug-in 400 MHz dual channel vertical plug-in 1987
11A34 Tektronix Plug-in Quad channel 300 MHz amplifier 1987
11A52 Tektronix Plug-in Dual channel 600 MHz amplifier 1987
1720 Tektronix Audio/Video NTSC Vectorscope 1986
1721 Tektronix Audio/Video PAL Vectorscope 1986
AM5030 Tektronix Plug-in current probe amplifier 1994
AM503A Tektronix Plug-in current probe amplifier 1993
AM503B Tektronix Plug-in current probe amplifier 1995
WFM300 Tektronix Audio/Video TV waveform monitor 1986
  • WFM300: SC80C451CCA68
  • 1720, 1721: A3U613 (8051 DIP40 12MHZ) 160-4202-01 (B012271-B068300) 160-4202-02 (B068301-B077737)
  • AM503A, AM503B, AM5030: 87C654, 87C528

Supported by

The following logic analyzers:

See also