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 ...
EDN

8051 CPU with 4kB Memory, 24-Bit ADC, Current DAC, and On-Chip Oscillator

The MSC1200Yx, MSC1201Yx, and MSC1202Yx are completely integrated families of mixed-signal devices incorporating a high-resolution, delta-sigma ADC, 8-bit current output DAC, input multiplexer, ...
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 ...
Design-Reuse

CAST 80251 Processor IP Core Runs Legacy and New Code Up to 24x Faster

Woodcliff Lake, NJ, June 8, 2010-- Electronic designers using the popular 8051 microcontroller can now apply their investment in 8051 knowledge and code to faster systems using the R80251XC IP core ...