XScale
The XScale core is used in a number of microcontroller families manufactured by Intel and Marvell, notably:
* Application Processors (with the prefix PXA). There are four generations of XScale Application Processors, described below: PXA210/PXA25x, PXA26x, PXA27x, and PXA3xx. * I/O Processors (with the prefix IOP) * Network Processors (with the prefix IXP) * Control Plane Processors (with the prefix IXC). * Consumer Electronics Processors (with the prefix CE).