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The Architecture Disign of DTV SoC Based on ASMP

Author: WenWen
Tutor: QuanZiYi
School: Beijing University of Posts and Telecommunications
Course: Communication and Information System
Keywords: Digital TV SoC Asymmetric multiprocessor E-mail communication Shared memory Watchdog
CLC: TN47
Type: Master's thesis
Year: 2010
Downloads: 42
Quote: 0
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Abstract


Digital TV is an interdisciplinary product of TV technology , communication technology and computer technology , digital TV chip design is a key in the digital TV industry chain . With the continuous development of chip technology , as well as application demand continues to expand , the size of the digital TV chip is increasing and becoming more integrated , single-chip integration has become today 's digital TV chip trends . How to structure digital TV system-on-a-chip , to better meet the increasing demand of the users of digital TV function , has become a hot research . In this paper, the requirements of high-performance digital TV chip design of a multi- processor digital TV SoC architecture , including the completion of the work : 1 ) system architecture design : the characteristics of digital TV , using a non - symmetric multiprocessor architecture the entire digital TV system function is divided into two parts of the logic -intensive arithmetic intensive , the two parts of the functions assigned to different processors , and in accordance with the demand of the two functions on different processors using different software systems. 2 ) analysis of multiprocessor communication mechanisms : command communication mailbox (Mailbox) communication between processors and shared memory (Shared Memory) for the large amount of data communication system for the realization of the two mechanisms and analysis the ring buffer management mechanism of shared memory , and finally compare their performance merits . 3 ) process optimization and abnormal control : analysis of of multiprocessor digital TV system works , Bridge - based model system process optimization . And analysis of how to improve the stability of the multi-processing system by way of hardware the Watchdog and software reset . The framework has been applied in a digital TV chip listed .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Microelectronics, integrated circuit (IC) > LSI,ultra LSI
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