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2. Intel MCS-51 - Wikipedia

   en.wikipedia.org/wiki/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 .

3. Atmel AT89 series - Wikipedia

   en.wikipedia.org/wiki/Atmel_AT89_series

   An AT89c2051 microcontroller in circuit. The Atmel AT89 series is an Intel 8051-compatible family of 8 bit microcontrollers (μCs) manufactured by the Atmel Corporation.. Based on the Intel 8051 core, the AT89 series remains very popular as general purpose microcontrollers, due to their industry standard instruction set, their low unit cost, and the availability of these chips in DIL (DIP ...

4. John Harrison Wharton - Wikipedia

   en.wikipedia.org/wiki/John_Harrison_Wharton

   J. H. Wharton was the architect of the instruction set of the Intel MCS-51, [3] commonly known as the 8051. The MCS-51 and its derivatives are Intel's highest volume microprocessor, [8] and among the most implemented instruction set architectures of all time. [2] [3]

5. Atmel - Wikipedia

   en.wikipedia.org/wiki/Atmel

   A large part of Atmel's revenue is from microcontrollers. These include the AVR 8- and 32-bit microcontrollers, ARM architecture microprocessors, and ARM-based flash microcontrollers. In addition Atmel still makes microcontrollers that use the 8051 architecture, albeit improved to do single

6. List of common microcontrollers - Wikipedia

   en.wikipedia.org/.../List_of_common_microcontrollers

   While Arm is a fabless semiconductor company (it does not manufacture or sell its own chips), it licenses the ARM architecture family design to a variety of companies. Those companies in turn sell billions of ARM-based chips per year—12 billion ARM-based chips shipped in 2014, [1] about 24 billion ARM-based chips shipped in 2020, [2] some of those are popular chips in their own right.

7. Microcontroller - Wikipedia

   en.wikipedia.org/wiki/Microcontroller

   The die from an Intel 8742, an 8-bit microcontroller that includes a CPU running at 12 MHz, 128 bytes of RAM, 2048 bytes of EPROM, and I/O in the same chip Two ATmega microcontrollers. A microcontroller (MC, UC, or μC) or microcontroller unit (MCU) is a small computer on a single integrated circuit.

8. Modified Harvard architecture - Wikipedia

   en.wikipedia.org/wiki/Modified_Harvard_architecture

   External wiring can also convert a strictly Harvard CPU core into a modified Harvard one, for example by simply combining `PSEN#` (program space read) and `RD#` (external data space read) signals externally through an AND gate on an Intel 8051 family microcontroller, the microcontroller are said to be "von Neumann connected," as the external ...

9. Intel system development kit - Wikipedia

   en.wikipedia.org/wiki/Intel_System_Development_Kit

   The HSE-49 emulator of 1979 was a stand-alone development tool with on-board 33-key keypad, 8-character display, two 8039 microcontrollers, 2K bytes of user-program RAM, a serial port and cable, and a ROM-based monitor which supervises the emulator operation and user interface.