System-on-chip, circuit, image forming device and power supply method
A system-on-chip and circuit technology, applied in the electronic field, can solve problems such as inaccurate CPU voltage detection results
Pending Publication Date: 2022-01-04
ZHUHAI PANTUM ELECTRONICS
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[0005] In view of this, the embodiment of the present application provides a system on chip, a circuit, an image forming device, and a power supply method, so as to solve the problem of inaccurate detection results of the CPU voltage of the SoC in the prior art
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[0035] In order to better understand the technical solutions of the present application, the embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.
[0036] It should be clear that the described embodiments are only some of the embodiments of the present application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.
[0037] Terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. The singular forms "a", "said" and "the" used in the embodiments of this application and the appended claims are also intended to include plural forms unless the context clearly indicates otherwise.
[0038] It should be understood that the term "and / ...
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The embodiment of the invention provides a system-on-chip, a circuit, an image forming device and a power supply method, the system-on-chip comprises a power supply input pin, a power supply network module, a processor and a voltage feedback pin; the first end of the power supply input pin is used for inputting a power supply; a second end of the power supply input pin is connected with a power supply input interface of the power supply network module through a second power supply transmission path; a first power supply output interface of the power supply network module is connected with a power supply input interface of the processor through a third power supply transmission path; the first end of the voltage feedback pin is connected to the input end of the processor through the first voltage detection path, and the second end of the voltage feedback pin is used for outputting a voltage signal. The voltage acquisition position is closer to the power input interface of the processor, so that the detection voltage is closer to the input voltage of the processor, and the detection result is more accurate.
Description
technical field [0001] The present application relates to the field of electronic technology, in particular to a system on chip, a circuit, an image forming device, and a power supply method. Background technique [0002] System-on-a-chip (SoC) refers to the integration of a complete system on a single chip. SoCs usually consist of a package and a die inside the package. Functional units such as a processor (Central Processing Unit, CPU), a power supply network module, and an IP core are usually arranged on the bare chip. [0003] SoC usually provides power through an external power supply module. When designing a power distribution system, the output voltage of the power supply module is usually designed as the central value of the voltage required by the SoC. However, with SoCs, the functional units that actually have voltage requirements are located on the die inside the package. When working, the power is transmitted from the power output interface of the power suppl...
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IPC IPC(8): G06F15/78G06F1/28G06F1/26
CPCG06F15/7807G06F1/26G06F1/28Y02D10/00
Inventor 董旺飞王刚钟志友高媛
Owner ZHUHAI PANTUM ELECTRONICS