发明名称 |
Method for pulse train reduction of clocking power when switching between full clocking power and nap mode |
摘要 |
The present invention provides for reducing power across the entirety of a processor in a series of incremental steps. The clocking power requirements of a processor are evaluated through a power analysis and pre-programmed into a power train generator. A state machine control ramp logic comprising pre-programmed states resets a delay counter and issues state instructions to a pulse train generator. A pulse train generator outputs constant pulse trains and variable pulse trains that mask the original clocking power frequency. The pulse trains are distributed through a timed clock control distribution network to local clock buffers. The conditioned pulse trains step up or step down the clocking power, to the entirety of the processor, resulting in a smoothing of the clocking power switching. The smoothing of the clocking power reduces electrical spikes, surges and capacitance within the processor.
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申请公布号 |
US2004260960(A1) |
申请公布日期 |
2004.12.23 |
申请号 |
US20030601375 |
申请日期 |
2003.06.23 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
HILGENDORF ROLF;TRONG SON DAO;WEITZEL STEPHEN DOUGLAS |
分类号 |
G06F1/26;G06F1/32;(IPC1-7):G06F1/32 |
主分类号 |
G06F1/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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