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system on chip

A system-on-chip, one-to-one correspondence technology, applied in the field of system-on-chip, can solve problems such as poor performance of storage modules, and achieve the effect of improving work performance and accuracy

Active Publication Date: 2011-12-28
SHANGHAI HUAHONG GRACE SEMICON MFG CORP
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In the existing SOC, the reference voltage source is usually not set separately for the memory module, so the memory module needs to share the reference voltage source with other modules such as radio frequency modules or logic modules, but the problem of this is that the working performance of the memory module is poor

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Embodiment Construction

[0021] It can be seen from the background technology that in the existing SOC, the reference voltage source is not provided separately for the memory module, so the memory module needs to share the reference voltage source with other modules such as radio frequency modules or logic modules. However, the inventors of the present invention have gone through a large number of The research shows that the logic module, radio frequency module, storage module, etc. in the SOC have different requirements for the accuracy of the reference voltage. High, the memory module has higher requirements on the reference voltage source, but in the existing SOC, in order to save the area, the reference voltage source is not set separately for the memory module, so the memory module can only share the reference voltage source of other modules, the inventor In the research, it is found that the memory device has high requirements on the accuracy of the reference voltage source, so the reference volt...

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Abstract

The present invention provides a system on chip, including a logic module, a storage module and a first reference voltage source, the logic module is used to operate the storage module, and the first reference voltage source is used to provide a reference for the logic module The voltage is characterized in that it also includes a second reference voltage source, and the second reference voltage source is used to provide a reference voltage for the memory module, thereby improving the working performance of the memory module in the system on chip.

Description

technical field [0001] The invention relates to the field of integrated circuits, in particular to a system on chip. Background technique [0002] SOC (System on Chip), referred to as a system on a chip, refers to an integrated circuit with a dedicated target, which contains a complete system and embeds all the content of the software. SOC can include system-level chip control logic module, CPU core module, DSP module, storage module (memory), interface module for external communication, ADC (analog-to-digital conversion) / DAC (digital-to-analog conversion) analog front-end module, power supply modules, power management modules, and reference voltage sources (VoltageReference) that provide reference voltages for other modules. For wireless SOCs, there are radio frequency modules, user-defined logic modules, and micro-electromechanical modules. The SOC chip also needs to be embedded with basic software modules or Loadable user software, etc. For example, in the Chinese paten...

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Application Information

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IPC IPC(8): G06F1/26
Inventor 许丹
Owner SHANGHAI HUAHONG GRACE SEMICON MFG CORP