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ACR30 Reference Manual

Version 3.3 January 2009

Page 39 of 44

ACR30

Response data format

ATR

ATR Answer-To-Reset as transmitted by the card according to ISO7816-3.

NOTE - The ATR is only returned in the ACR30 response if the communication protocol of the

SAM is compatible with the reader, i.e., if the SAM can be processed by the ACR30. Otherwise, the

ACR30 returns an error status and deactivates the SAM.

9.2.6.2. DEACTIVATE_SAM (**)

This command powers off the SAM

Command format

Instruction Code Data length

Response data format

No response data

9.2.6.3. EXCHANGE_SAM_APDU (**)

To exchange an APDU (Application Protocol Data Unit) command/response pair between the SAM

card inserted in the ACR30 and the host computer.

Command format

Instruction

Code

Data

length

Data

LEN CLA INS P1 P2 Lc BYTE

...2 ... BYT

E N

LEN Length of APDU command data, N, + 6 (0 < N ≤ MAX_R)

CLA APDU instruction class byte

INS APDU instruction

P1 APDU parameter byte 1

P2 APDU parameter byte 2

Lc APDU command data length

BYTE x APDU command data

Le Expected APDU response data length (Le = 0 menas no data is expected from the card)

1 2 ... 34 35 36 37 38 39 40 41 42 43 44

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ACS ACR30 Spécifications Page 39