A CPU or microprocessor which includes a general purpose CPU component, such as an X86 core, and also includes a DSP core. In a first embodiment, the CPU receives general purpose instructions, such as X86 instructions, wherein certain X86 instruction sequences implement DSP functions. The CPU includes...http://www.google.com.tw/patents/US6085314?utm_source=gb-gplus-share專利 US6085314 - Central processing unit including APX and DSP cores and including selectable APX and DSP execution modes
