The Design and Implementation of Core Board of Handheld Device Based on PXA320 and Linux

Combining with the function and characteristics of the PXA320, In view of the current existing problems of the handheld devices power and demand of high-end hand-held devices market.Design a scalable application platform for embedded general-purpose handheld devices based on PXA320 processor. First, introduces the system's hardware platform, optimizing the external interface circuit, and then discusses the software architecture of Linux operating system, On this basis, testing the data of core board by developed the corresponding application, the results show that: this platform has good reliability, stability and maintainability and provide powerful support for the development of high-end handheld device.