Smart card ATR parsing

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

Results

Parsing ATR:

3B F9 13 00 00 81 31 FE 45 4A 43 4F 50 32 34 32 52 32 A3
TS = 0x3BDirect Convention
T0 = 0xF9Y(1): b1111, K: 9 (historical bytes)
TA(1) = 0x13Fi=372, Di=4, 93 cycles/ETU (43010 bits/s at 4.00 MHz, 53763 bits/s for fMax=5 MHz)
TB(1) = 0x00VPP is not electrically connected
TC(1) = 0x00Extra guard time: 0
TD(1) = 0x81Y(i+1) = b1000, Protocol T=1
----
TD(2) = 0x31Y(i+1) = b0011, Protocol T=1
----
TA(3) = 0xFEIFSC: 254
TB(3) = 0x45Block Waiting Integer: 4 - Character Waiting Integer: 5
----
Historical bytes4A 43 4F 50 32 34 32 52 32
Category indicator byte: 0x4A (proprietary format) "COP242R2"
TCK = 0xA3correct checksum

Possibly identified card:

3B F9 13 00 00 81 31 FE 45 4A 43 4F 50 32 34 .. .. .. ..

NXP JCOP v2.4.x (see hist bytes for more info)

Click here to enter the card description

Canonical URL JSON output

Again

Submit another ATR


See also

The parsing code is part of pyscard and is available at parseATR.py.

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

My blog contains a serie of artickes about ATR bytes.

More documentation: