面向片上系统的多区域温度控制系统设计
作者:
作者单位:

1.北京智芯微电子科技有限公司;2.中国科学院大学计算机科学与技术学院

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基金项目:

国家电网有限公司总部科技项目资助:“高端控制芯片集成技术研究及原型研制”(项目号:(5700-202041264A-0-0-00)

伦理声明:



Design of multi-region temperature control system for SoC
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Affiliation:

Beijing Smartchip Microelectronics Technology Company Limited

Funding:

This paper is funded by the project of the State Grid Corporation of China, “Integration technology research and prototype development for high end controller chip .( 5700-202041264A-0-0-00)

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    摘要:

    在片上系统(system-on-chip,SoC)芯片中,由于各功能部件在频率、活跃度等方面存在差异,导致产热分布不均的问题比较突出,进而对芯片的可靠性和使用寿命产生影响。针对该问题设计了一种面向SoC芯片的多区域控制系统。首先,通过片上总线技术进行分布式多区域温度采集,以获取SoC芯片的多区域温度信息;其次,设计了兼顾全局与局部温控的温度控制机制,基于温度采集阶段的实时数据,协调时钟降频、中断、脉冲宽度调制散热等方式进行局部或全局芯片温度管理与控制。同时,系统允许用户通过主控程序调整系统参数,对各类温控场景具有良好的兼容性。本研究在一种大规模众核SoC平台中进行了温度控制系统的测试。实验结果表明,提出的温度控制系统可有效减缓SoC工作时的芯片温度上升速度,同时控制芯片区域最高温度在用户所设定的极高温临界值±3℃范围内,表明该温度控制系统具备对SoC芯片进行温度控制的可行性。

    Abstract:

    In System-on-Chip(SoC) chip, due to the differences in frequencies and activities of various functional components, uneven heat generation distribution has become a serious problem, which adversely affects the reliability and overall lifespan of the chip. To address this concern, a multi-region temperature acquisition and control system for SoC chip is designed. Firstly, the on-chip bus technology is used for distributed multi-region temperature acquisition to obtain multi-region temperature information of SoC chip. Secondly, a temperature control mechanism is designed, which can both satisfy the need of both local or global temperature control. Based on the real-time data of the temperature acquisition stage, this mechanism coordinates the underclocking, interrupt, and PWM intelligent cooling system to manage and control the temperature of the chip. Additionally, Users are allowed to adjust system parameters through the master control program, which makes the system compatible with various temperature control scenarios. In this study, the experiment was carried out in a large-scale multi-core SoC platform for temperature control system. The experimental results show that the proposed temperature control system can effectively slow down the chip temperature rise rate during SoC operation. Meanwhile, the maximum temperature of the chip area is controlled within the extreme high temperature critical value set by the user within the range of ±3℃, indicating that the temperature control system is feasible for SoC chip temperature control.

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引用本文

李德建,杨小坤,杨立新,等.面向片上系统的多区域温度控制系统设计 [J].集成技术,

Citing format
lidejian, yangxiaokun, yanglixin, et al. Design of multi-region temperature control system for SoC[J]. Journal of Integration Technology.

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历史
  • 收稿日期:2023-06-16
  • 最后修改日期:2023-06-25
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  • 在线发布日期: 2023-08-29
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