page_title: XScale
section_title: PXA16x
hierarchical_section_title: XScale / Processor families / PXA / PXA16x
caption_attribution_description: English: Mavell PXA16X System On Module --SOM168 Design by Tianyeit http://www.tianyeit.com
context_page_description: XScale is a microarchitecture for central processing units initially designed by Intel implementing the ARM architecture instruction set. XScale comprises several distinct families: IXP, IXC, IOP, PXA and CE, with some later models designed as SoCs. Intel sold the PXA family to Marvell Technology Group in June 2006. Marvell then extended the brand to include processors with other microarchitectures, like ARM's Cortex.
  The XScale architecture is based on the ARMv5TE ISA without the floating point instructions. XScale uses a seven-stage integer and an eight-stage memory super-pipelined microarchitecture. It is the successor to the Intel StrongARM line of microprocessors and microcontrollers, which Intel acquired from DEC's Digital Semiconductor division as part of a settlement of a lawsuit between the two companies. Intel used the StrongARM to replace its ailing line of outdated RISC processors, the i860 and i960.
  All the generations of XScale are 32-bit ARMv5TE processors manufactured with a 0.18 μm or 0.13 μm process and have a 32 KB data cache and a 32 KB instruction cache. First and second generation XScale multi-core processors also have a 2 KB mini data cache.
context_section_description: PXA16x is a processor designed by Marvell, combining the earlier Intel designed PXA SoC components with a new ARMv5TE CPU core named Mohawk or PJ1 from Marvell's Sheeva family instead of using wdc Xscale or ARM design. The CPU core is derived from the Feroceon core used in Marvell's embedded Kirkwood product line, but extended for instruction level compatibility with the XScale IWMMX.
  The PXA16x delivers strong performance at a mass market price point for cost sensitive consumer and embedded markets such as digital picture frames, E Readers, multifunction printer user interface (UI) displays, interactive VoIP phones, IP surveillance cameras, and home control gadgets.
caption: PXA168 System On Module by tianyeit.com
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