Electronic Design

Use Four External Interrupts Through One 8051 Input

The 8051-compatible microcontrollers are equipped with up to two inputs that may be used as general-purpose interrupts. A simple way to increase the number of interrupt inputs is shown in the figure.
Design-Reuse

Expand your 8051 memory

Suppose for a moment that you're an engineer designing a new 8051-based product. Not unexpectedly, the application's code size will greatly exceed the 64KB architectural limit of the 8051's program ...
Design-Reuse

Fastest-Running 8051 Microcontroller IP Core Now Available from CAST

Woodcliff Lake, NJ, January 28, 2014 -- An 8051-compatible microcontroller core with 26.85 times the performance per MHz of the original 8051 chip is now available from semiconductor intellectual ...
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, ...