請用此 Handle URI 來引用此文件: http://hdl.handle.net/11455/44234
標題: LOW-POWER INSTRUCTION ADDRESS BUS CODING WITH XOR-BITS ARCHITECTURE
作者: Fan, C.P.
范志鵬
Fang, C.H.
關鍵字: Bus coding
low-power
instruction address
switching activity
coupling
activity
systems
期刊/報告no:: Journal of Circuits Systems and Computers, Volume 18, Issue 1, Page(s) 45-57.
摘要: In this paper, we present an address bus coding method to reduce dynamic power dissipations and delay faults at on-chip applications. The purpose of the proposed new coding technique is to diminish the switching and coupling activities on instruction address busses effectively. The proposed bus coding method is called the exclusive-OR and bus inverter transition signaling (XOR-BITS) code. The XOR-BITS code has four advantages. Firstly, it can save a large number of switching activities. Secondly, it can also save a large number of coupling activities. Thirdly, its architecture belongs to a low-complexity architecture. Finally, its delay is short after optimizations. Experimental results show that the XOR-BITS coding indicates an average reduction in 78.5% switching activities and 21.9% coupling activities on instruction address busses. It surpasses the other address coding methods in total power dissipations when the load capacitance is more than 1 pF/bit with the TSMC 0.13 mu m CMOS technology. For a 50 pF/bit load capacitance, it achieves a 74.9% average reduction in total power dissipations, compared with the un-coded schemes by using seven benchmarks. Similarly, our method also surpasses the other address bus coding methods with the TSMC 0.18 mu m CMOS technology.
URI: http://hdl.handle.net/11455/44234
ISSN: 0218-1266
顯示於類別:電機工程學系所

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