Smart card ATR parsing

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

Results

Parsing ATR:

3B FC 18 00 00 81 31 80 45 90 67 46 4A 01 00 10 04 F2 72 FE 00 01
TS = 0x3BDirect Convention
T0 = 0xFCY(1): b1111, K: 12 (historical bytes)
TA(1) = 0x18Fi=372, Di=12, 31 cycles/ETU (129032 bits/s at 4.00 MHz, 161290 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) = 0x80IFSC: 128
TB(3) = 0x45Block Waiting Integer: 4 - Character Waiting Integer: 5
----
Historical bytes90 67 46 4A 01 00 10 04 F2 72 FE 00
Category indicator byte: 0x90 (proprietary format) "gFJ.....r.."
TCK = 0x01correct checksum

Possibly identified card: UNKNOWN

Click here to enter the card description

Canonical URL JSON output

Again

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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: