SCI2C is a protocol used by some older NXP secure elements (e.g. A710x series and A71CH). The protocol specification is available [here](https://www.nxp.com/docs/en/supporting-information/AN12207.pdf).
SCI2C is a protocol used by some older NXP secure elements (e.g. A710x series and A71CH).
The protocol specification is available here.