TheInteli386EX (80386EX) is a variant of theIntel 386microprocessor designed forembedded systems. Introduced in August 1994 and was successful in the market, being used aboard severalorbitingsatellites andmicrosatellites.
Intel's previousx86 CPU for the embedded market was theIntel 80186. Like the 80186, the 80386EX integrates several peripherals including a timer,DMA controller, and interrupt controller. This vastly reduces the number of system components required for implementing a 80386EX-based system. Unlike the 80186, the peripherals of the 80386EX are compatible with standardPC/AT components.
Intel did not manufacture another integratedx86 processor until 2007, when it confirmed theEnhanced Pentium M-basedTolapai (EP80579).[1]
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