I am currently using a mix of ST25R3916 and ST25R3916B with ST25RFAL002 v2.8.0.In the default analog config table for the 3916 (rfalAnalogConfigTbl.h), under CHIP_INIT, there is an undocumented register that is being configured:0x84U, 0x10, 0x10 ...
Ah, I see that now. AN5584 makes it seem like setting that register is just for measuring driver resistance. Does it need to be set for normal operation as well?