ACS ACR1283L - Manual (Page 15)

ACR1283L – Reference Manual [email protected]
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Protocol Data Structure for Protocol T=1 (dwLength=00000007h)
The response to this message is the RDR_to_PC_Parameters message.
5.2.2. CCID Bulk-IN Messages
The Bulk-IN messages are used in response to the Bulk-OUT messages. ACR1283L shall follow the
CCID Bulk-IN Messages as specified in CCID section 4. This section lists the CCID Bulk-IN Messages
to be supported by ACR1283L.
5.2.2.1. RDR_to_PC_DataBlock
This message is sent by ACR1283L in response to PC_to_RDR_IccPowerOn, PC_to_RDR_XfrBlock
and PC_to_RDR_Secure messages.
Offset Field Size Value Description
0 bMessageType 1 80h
Indicates that a data block is being sent from
the CCID.
1 dwLength 4 Size of extra bytes of this message.
5 bSlot 1 Same value as in Bulk-OUT message.
6 bSeq 1 Same value as in Bulk-OUT message.
7 bStatus 1
Slot status register as defined in CCID section
4.2.1.
Offset Field Size Value Description
10 bmFindexDindex 1
B7-4 – FI – Index into the table 7 in ISO/IEC
7816-3:1997 selecting a clock rate conversion
factor
B3-0 – DI - Index into the table 8 in
ISO/IEC 7816-3:1997 selecting a baud rate
conversion factor
11 BmTCCKST1 1
B7-2 – 000100b
B0 – Checksum type (b0=0 for LRC, b0=1 for
CRC
B1 – Convention used (b1=0 for direct, b1=1 for
inverse) Note: The CCID ignores this bit.
12 BGuardTimeT1 1
Extra Guardtime (0 to 254 etu between two
characters). If value is FFh, then guardtime is
reduced by 1 etu.
13 BwaitingIntegerT1 1
B7-4 = BWI values 0-9 valid
B3-0 = CWI values 0-Fh valid
14 bClockStop 1
ICC Clock Stop Support.
00h = Stopping the Clock is not allowed
01h = Stop with Clock signal Low
02h = Stop with Clock signal High
03h = Stop with Clock either High or Low
15 bIFSC 1 Size of negotiated IFSC
16 bNadValue 1 00h Only support NAD = 00h