About RF collision avoidance

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About RF collision avoidance

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ttkk_01
Contributor I

Hello,

I'm using PN5190. I want to know about RF collision avoidance.
The setting (PHHAL_HW_CONFIG_RFCA) can be set by phNfcLib_SetConfig().

Checking the NFC Reader Library, the default is PH_ON, which is set during initialization: phhalHw_Pn5190_Init() and phhalHw_Pn5190_DeInit().
And in phacDiscLoop_Run, it sets PH_ON for NFC/ISO and PH_OFF for EMV.

[Question 1]
If the default is changed to PH_OFF and PH_OFF is set for NFC/ISO in phacDiscLoop_Run,
will there be any impact on some movements? Will it only not detect collision errors during carrier on?

[Question 2]
The default setting is PH_ON, and it is only changed to PH_OFF for EMV.
Is there any reason for changing EMV setting?

Thanks

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