【摘要】 首先介绍时间处理单元 (TPU)模块在GPRS手机中的同步作用 ,然后介绍它的基本指令、基本功能和基本硬件组成框图 ,并从软件角度给出了TPU在协议栈中的位置及其实质和技术难点更多还原

【Abstract】 In this paper,the synchronization role of time processing unit(TPU) in GPRS mobile telephone is introduced,the basic TPU instructions,its function and the hardware architecture are described,the situation of TPU in protocol stack is defined,and finally the essential and technical difficulties are discussed.更多还原