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Baseband chip, voltage adjusting method and terminal equipment

A baseband chip and voltage adjustment technology, applied in the direction of adjusting electrical variables, control/regulation systems, advanced technology, etc., can solve the problems of limited decision-making time, transmission time adjustment time, inability to achieve fine voltage control, and long voltage change intervals , to achieve the effects of shortening transmission time and adjustment time, shortening perception decision time, and reducing system power consumption

Pending Publication Date: 2022-05-24
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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Problems solved by technology

[0003] It can be seen that the current common DVFS technology is limited by the decision-making time, transmission time, and adjustment time in the voltage adjustment process, and cannot further shorten the interval between two voltage adjustment changes. Deficiencies that cannot achieve fine control of voltage adjustment

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  • Baseband chip, voltage adjusting method and terminal equipment
  • Baseband chip, voltage adjusting method and terminal equipment
  • Baseband chip, voltage adjusting method and terminal equipment

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Embodiment Construction

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It should be understood that the specific embodiments described herein are only used to explain the related application, but not to limit the application. In addition, it should be noted that, for the convenience of description, only the parts related to the relevant application are shown in the drawings.

[0028] The dynamic voltage and frequency scaling (Dynamic Voltage and Frequency Scaling, DVFS) technology refers to the realization of low power consumption through the comprehensive design of software and hardware, and has received more attention in the design of low power consumption of microprocessors. Among them, DVFS technology allows dynamic adjustment of circuit operating voltage and frequency under the premise of maintaining the normal operation of the sy...

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Abstract

The embodiment of the invention discloses a baseband chip, a voltage adjusting method and terminal equipment, the baseband chip comprises at least one subsystem and a DVFS management system, and each subsystem is used for calculating an expected voltage in a next adjusting period; the DVFS management system is used for sending a voltage adjustment request to the power management module; wherein the voltage adjustment request is used for indicating a target voltage output by the power management module to the baseband chip in the next adjustment period, and the target voltage is not less than an expected voltage of each subsystem in the next adjustment period.

Description

technical field [0001] The invention relates to the field of chip design, in particular to a baseband chip, a voltage adjustment method and a terminal device. Background technique [0002] In the existing cellular mobile system terminals, the Dynamic Voltage and Frequency Scaling (DVFS) solutions are mostly scene-level. For example, for paging, the voltage and frequency are increased during paging, and the voltage and frequency are reduced after paging is completed. The interval between two voltage adjustments is more than 10ms. More advanced for a specific time slot, increase the voltage and frequency before the arrival of the specific time slot, reduce the voltage and frequency after the end of the specific time slot, and the interval between two voltage adjustments is more than 500us. [0003] It can be seen that the current common DVFS technology is limited by the decision time, transmission time, and adjustment time in the voltage adjustment process, and cannot further...

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Application Information

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IPC IPC(8): G05F1/56
CPCG05F1/561Y02D30/70
Inventor 周洁
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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