Electrical computers and digital processing systems: support – Computer power control – Power conservation
Reexamination Certificate
2007-08-28
2007-08-28
Cao, Chun (Department: 2115)
Electrical computers and digital processing systems: support
Computer power control
Power conservation
C712S209000, C712S210000
Reexamination Certificate
active
10989090
ABSTRACT:
The present disclosure illustrates a system for reducing power consumption in a computer processor. Included is a 16-bit instruction decoder for decoding instructions with 16-bit words, a 32-bit instruction decoder for decoding instructions with 32-bit words, a word length select for indicating a present instruction's word length, and a first selector for routing the instruction into the 16-bit decoder when the present instruction is 16-bits long. The first selector is also configured to route a previous instruction into the 16-bit decoder, maintaining the 16-bit decoder's present state. A second selector is configured to route the instruction into the 32-bit decoder when the present instruction is 32-bits long. The second selector is also configured to route a past instruction into the 32-bit decoder to maintain the 32-bit decoder's present state.
REFERENCES:
patent: 6978358 (2005-12-01), Francis
patent: 7017030 (2006-03-01), Oldfield et al.
patent: 2004/0199747 (2004-10-01), Shelor
patent: 2004/0205322 (2004-10-01), Shelor
patent: 2004/0236926 (2004-11-01), Tran et al.
Cao Chun
Thomas Kayden Horstemeyer & Risley
VIA Technologies Inc.
Wang Albert
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