龙芯产品技术资料UserGuide英文版UM0447User manualSTLS2F01IntroductionSTLS processors are based on the Loongson CPU architecture licensed bySTMicroelectronics from the Institute of Computing Technology(ICT),which is part of theChinese Academy of Science.The STLS family is made up of64-bit high-end processorsthat target applications requiring high levels of performances efficiency in terms of cost,power consumption and area.The Loongson CPU architecture is MIPS I