PN7362 power saving issue EOS?

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PN7362 power saving issue EOS?

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Tedlai99
Contributor II

Hi, 

We have 4pcs/1K PN7362 modules, but they won't wake up from power-saving mode. What's the problem?
In normal mode, the PN7362 modules function normally, detecting cards and outputting their UIDs...

If power-saving mode is enabled on the PC, the polling time will change when the module enters power-saving mode. There will be no response when a card is brought close to the reader, but the waveform can be seen on an oscilloscope during polling.

After resetting, the module will function normally. Why? Is it EOS? Why does it only work in power-saving mode?

 

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jimmychan
NXP TechSupport
NXP TechSupport

Do you mean LPCD? If yes, please refer this document for details.

AN11785 PN7462AU LPCD and Standby mode

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