Smart card ATR parsing

Enter an ATR (Answer To Reset) and I will parse it for you.


Parsing ATR:

3B 65 00 00 20 63 CB A6 A0
TS = 0x3BDirect Convention
T0 = 0x65Y(1): b0110, K: 5 (historical bytes)
TB(1) = 0x00VPP is not electrically connected
TC(1) = 0x00Extra guard time: 0
Historical bytes20 63 CB A6 A0
Category indicator byte: 0x20 (proprietary format) "c..."

Possibly identified card:

3B 65 00 00 20 63 CB A6 A0

Visa Premier Boursorama (French bank)


Submit another ATR

See also

The parsing code is part of pyscard and is available at

The list of known ATR is also available online at smartcard_list.txt.

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