Design-Reuse

Design of a 8051 Microcontroller in FPGA with reconfigurable instruction set

This paper describes the design and implementation of a version of the 8051 microcontroller, one of the most commercially used microcontrollers in FPGA with reconfigurable instruction set.
Electronic Design

Set DC-Motor Speed with Light-Controlled Microcontroller Circuit

This file type includes high resolution graphics and schematics when applicable. This 8051 microcontroller-based control circuit adjusts the speed of a small permanent-magnet dc motor via photosensors ...
EDN

An efficient bit-banged SPI port for 8051-compatible microcontrollers

Although 8051-compatible microcontrollers with SPI ports are available, a lower-cost device with an SPI port bit-banged through GPIO pins often suffices. The code shown here takes advantage of ...
Design-Reuse

Super-Fast 8051 Microcontroller Core with Configurable Features and Peripherals

The S8051XC3 IP core implements a high-performance, low-energy, 8-bit microcontroller that executes the MCS®51 instruction set and includes a configur ...
EDN

Philips, ST expand series of 8051-class microcontrollers

San Jose, Calif. – STMicroelectronics and Philips Semiconductors have independently beefed up their lines of the 8051 class of 8-bit microcontrollers, suggesting that the market for this popular MCU ...
Electronic Design

Set DC-Motor Speed with Light-Controlled Microcontroller Circuit (.PDF Download)

This 8051 microcontroller-based control circuit adjusts the speed of a small permanent-magnet dc motor via photosensors (see the figure). The circuit can find applications in light-tracking systems ...