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.
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 ...
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

Evatronix enhances its 8051 microcontroller core

LONDON — Intellectual property licensor Evatronix SA (Bielsko-Biala, Poland) has produced an enhanced version of its configurable 8051 8-bit microcontroller core. The R8051XC2 performs at 0.088 DMIPS ...
Design-Reuse

Evatronix introduces the R8051XC2 to supply SoC designers with the world’s highest performance 8051 8-bit microcontroller IP core

The latest improvements to this industry standard guarantee the fastest average instruction execution in the 8051 market. Gliwice & Bielsko-Biala, Poland -- January 26, 2009 - The Silicon Intellectual ...
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 ...