Since the beginning of 2007, the jz47 series embedded processor with xburst core has been widely used in MP4, e-book of learning machine, fingerprint recognition, netbook, student computer and other fields with its excellent cost performance, strong multimedia processing ability and ultra-low power consumption. In three years, more than 20 million z47xx series chip products have been shipped in China Independent innovative microprocessor products with the largest quantity and the widest application field