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1. (WO2018048550) CLOCK CONTROL BASED ON VOLTAGE ASSOCIATED WITH A MICROPROCESSOR
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Pub. No.: WO/2018/048550 International Application No.: PCT/US2017/045825
Publication Date: 15.03.2018 International Filing Date: 08.08.2017
Chapter 2 Demand Filed: 06.07.2018
IPC:
G06F 1/30 (2006.01) ,G06F 1/08 (2006.01)
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
F
ELECTRIC DIGITAL DATA PROCESSING
1
Details not covered by groups G06F3/-G06F13/82
26
Power supply means, e.g. regulation thereof
30
Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
F
ELECTRIC DIGITAL DATA PROCESSING
1
Details not covered by groups G06F3/-G06F13/82
04
Generating or distributing clock signals or signals derived directly therefrom
08
Clock generators with changeable or programmable clock frequency
Applicants:
AMPERE COMPUTING LLC [US/US]; 4555 Great America Parkway, #601 Santa Clara, California 95054, US
Inventors:
OLIVER, David; US
ASHCRAFT, Matthew W.; US
RAVEZZI, Luca; US
YEUNG, Alfred; US
FAVOR, John Gregory; US
Agent:
GEGG, Christopher J.; US
Priority Data:
15/256,78706.09.2016US
Title (EN) CLOCK CONTROL BASED ON VOLTAGE ASSOCIATED WITH A MICROPROCESSOR
(FR) COMMANDE DE SIGNAL D'HORLOGE SUR LA BASE D'UNE TENSION ASSOCIÉE À UN MICROPROCESSEUR
Abstract:
(EN) Various aspects provide for mitigating voltage droop associated with a microprocessor (e.g., by controlling a clock associated with the microprocessor). For example, a system can include a microprocessor and a controller. The microprocessor can receive a clock provided by a clock buffer. The controller can control frequency of the clock provided by the clock buffer based on a voltage associated with the microprocessor. In an aspect, the controller can reduce the frequency of the clock in response to a determination that the voltage satisfies a defined criterion. Additionally, the controller can incrementally increase the frequency of the clock in response to another determination that the voltage satisfies another defined criterion after satisfying the defined criterion
(FR) Divers aspects de la présente invention concernent l'atténuation d'une chute de tension associée à un microprocesseur (par exemple en commandant un signal d'horloge associé au microprocesseur). Un système peut par exemple comprendre un microprocesseur et un dispositif de commande. Le microprocesseur peut recevoir un signal d'horloge délivré par un tampon de signal d'horloge. Le dispositif de commande peut commander la fréquence du signal d'horloge délivré par le tampon de signal d'horloge sur la base d'une tension associée au microprocesseur. Selon un aspect, le dispositif de commande peut réduire la fréquence du signal d'horloge en réponse à une détermination indiquant que la tension satisfait un critère défini. De plus, le dispositif de commande peut augmenter de manière incrémentielle la fréquence du signal d'horloge en réponse à une autre détermination indiquant que la tension satisfait un autre critère défini après avoir satisfait le critère défini susmentionné.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)