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.

The intel 8051 series 8bit microcontroller, originally introduced in 1980, remains popular and has had perhaps the longest product life of all such devices. It has become the industry standard for ...

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 ...

Austin, Texas — The new TK80C51FA microcontroller from Tekmos Inc. is designed as a replacement for ROMless 8051 series microcontrollers that have been obsoleted by other vendors. It is a pin-for-pin, ...