pn532 读卡灵敏度要怎样调?

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pn532 读卡灵敏度要怎样调?

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2796531465
Contributor I

pn532读卡灵敏度想提高一些,目前读卡距离过紧,希望读卡距离可以达到4~5cm。是否可以通过修改寄存器 CIU_RFCfg register (6316h) 进行配置, Configures the receiver gain and RF level detector sensitivity 以达到更好的效果。

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jimmychan
NXP TechSupport
NXP TechSupport

have you try to increase the RxGain?

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2796531465
Contributor I

yes, but it is no change. 

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