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 ...
Electronics Weekly

8051 core squeezed into 2,700 gates

At the introduction of the 12,000 gate 32bit ARM Cortex M0 recently, an ARM spokesman told EW the M0 was close to the 10,000 gates normally occupied by the 8bit 8051 microcontroller. Inspired by this, ...
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 ...