TCS_17The device checks ATR bytes, according to ISO/IEC 7816-3. No verification shall be done on ATR Historical Characters.U.K.
Example of Basic Biprotocol ATR according to ISO/IEC 7816-3
| Character | Value | Remarks |
|---|---|---|
| TS | ‘3Bh’ | Indicates direct convention. |
| T0 | ‘85h’ | TD1 present; 5 historical bytes are presents. |
| TD1 | ‘80h’ | TD2 present; T=0 to be used |
| TD2 | ‘11h’ | TA3 present; T=1 to be used |
| TA3 | ‘XXh’ (at least ‘F0h’) | Information Field Size Card ( IFSC) |
| TH1 to TH5 | ‘XXh’ | Historical characters |
| TCK | ‘XXh’ | Check Character (exclusive OR) |