Dear Fred,This behavior is not known and the only efficient way to proceed is to retrieve a SPI trace (incl IRQ line) of the occurrence, so that we can perform technical analysis. Meanwhile let me share some additional details:Loop inside the RFALThe...
Hi,Historically EMD suppression was first adopted by EMVCo standard, today is present in other NFC standards.The EMD error handling is activated when ISO14443 Layer 4 is reached.When this protocol is running (ISO-DEP / ISO14333-4) soft framing errors...
Hi,As my colleague tried to explain Soft Framing "errors" are not necessarily events that are erroneous.Soft framing indicates that the frame which ST25R3911B received is not exactly as it expected.This can indicate for example that the ISO14443B TR1...
Hi,The main reason reason why T2T emulation is not recommended nor provided on the lib is the stringent timings requirements.In order to comply with T2T requirements an answer needs to be provided for example within 4.75ms for a READ and 0.95ms for a...
Hi,We recommend to base your developments in a more recent NFC Reader such as ST25R3911B or ST25R3916. AS3910/ST25R3910 is obsolete and no longer in production.The newer devices have more sensitive receivers and their settings/configurations have bee...
