ACS ACK30 Smart Keyboard - Manual (Page 39)

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
89
H
00
H
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
1
...2 ... BYT
E N
Le
B0
H
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)