SOC chip and radio-frequency signal processing method
A radio frequency signal and chip technology, which is applied in data processing power supply, data processing applications, electrical digital data processing, etc., can solve the problems of high power consumption of radio frequency chips and poor user experience, and achieve the effect of reducing power consumption
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Embodiment 1
[0023] figure 1 It is a schematic structural diagram of a SOC chip provided by Embodiment 1 of the present invention. The SOC chip can be integrated into a smart terminal such as a smart phone, a bracelet or a smart watch, and used as a radio frequency analog tag to realize a safe and reliable NFC (Near Field Communication, near field communication) payment function.
[0024] see figure 1 , the SOC (System on Chip, system-on-chip) chip specifically includes: a contactless module coprocessor 110 and a contactless communication module 120 .
[0025] The contactless communication module 120 is electrically connected to the contactless module coprocessor 110, including a preliminary wake-up module 121 and a clock data recovery module 122;
[0026] The preliminary wake-up module 121 is electrically connected with the contactless module coprocessor 110, and is used to detect the field strength of the radio frequency field where the SOC chip is located, and when detecting that the ...
Embodiment 2
[0094] Figure 4 It is a flowchart of a radio frequency signal processing method provided by Embodiment 2 of the present invention. This embodiment is applicable to the case where the SOC chip in the smart terminal processes radio frequency signals, and the method can be executed by the SOC chip provided by the embodiment of the present invention. Specifically include the following steps:
[0095] S210. Acquire an input radio frequency signal, and acquire the signal strength of the input radio frequency signal.
[0096] In this embodiment, the field strength of the radio frequency field where the SOC chip is located is represented by the signal strength of the input radio frequency signal.
[0097] S220. If it is detected that the signal strength is greater than a preset value, generate a first wake-up instruction, and power on the SOC chip according to the first wake-up instruction.
[0098] Wherein, if the detected signal strength is greater than the preset value, it indic...
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