I'm testing with IMX6ULL+PN7160_EVK.
At first, the initialization and parameter configuration are normal, But when I send the RF_DISCOVER_CMD to PN7160, there is a lot of clutter on the IRQ pin, and there are some on the IIC pin as well. It is also not possible to check the card properly. When the VBAT_5V is removed, the clutter signal disappears.
I've tried using an external power supply to power VBAT and VDD_UP, but the phenomenon is the same.
Please help check.