PN5180 default configuration of the PN5180 after power-up

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PN5180 default configuration of the PN5180 after power-up

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AlanSbor
Contributor II

Hello

The datasheet reads "PN5180's default configuration after power-on is card mode to avoid collision with another RF field."

AlanSbor_0-1614526447596.png

How to enable what is disabled by default? I want to count how many tags  I have in collision and their UIDs. What are the registers, variables?

PLEASE in SPI pseudocode command.

Alex

 

 

 

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Kan_Li
NXP TechSupport
NXP TechSupport

Hello @AlanSbor ,

How to enable what is disabled by default? 

- It is controlled by the firmware inside PN5180, please refer to page 78 of https://www.nxp.com.cn/docs/en/data-sheet/PN5180A0XX_C3_C4.pdf for details as below:

At start-up, the Autocoll state machine automatically performs a LOAD_RF_CONFIG
with the General Target Mode Settings. When a technology is detected during activation,
the Autocoll state machine performs an additional LOAD_RF_CONFIG with the
corresponding technology.

I want to count how many tags  I have in collision and their UIDs. What are the registers, variables?PLEASE in SPI pseudocode command.

- There is guide based on NFC reader library , no SPI pseudocode command available, you have to reverse it by yourself. Please refer to https://community.nxp.com/t5/NFC-Knowledge-Base/Activating-multiple-Tags-using-NFC-Reader-Library/ta... and https://www.nxp.com/docs/en/application-note/AN12650.pdf for more details.

 

Hope that helps,

 

Have a great day,
Kan


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