ATR Decoder — Answer to Reset Parser
Parse ISO 7816-3 smart card Answer to Reset (ATR). Enter ATR hex bytes to decode the TS initial character, T0 format byte, TAi/TBi/TCi/TDi interface bytes, Historical Bytes, detect T=0 or T=1 protocol, clock rate, baud rate, and programming voltage parameters.
Enter the complete ATR byte sequence returned by the smart card after power-on reset.
Related: Build APDU commands to send after ATR with our APDU Command Builder. Decode SW1 SW2 responses with the APDU Response Debugger.