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.

In designing µC-based systems, you often face a situation in which the µC has to respond to an external event happening at an uncertain moment in time. One example is receiving an echo from an object ...

Taiwanese chip maker Nuvoton Technology has announced a 24MHz 8051-style series of MCUs for industrial automation, motor control, LED dimming and home appliances. Called the MG51 series, the parts ...