Protocol Data Structure for Protocol T=1 (
dwLength
=
00000007h
)
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
BwaitingIntege
rT1
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
The response to this message is the
RDR_to_PC_Parameters
message.
7.1.2.
CCID Bulk-IN Messages
The
Bulk
-
IN
messages are used in response to the
Bulk
-
OUT
messages. ACR101 (CCID) shall
follow the CCID
Bulk-IN
Messages as specified in section 4. This section lists the CCID Bulk-IN
Messages to be supported by ACR101 (CCID).
7.1.2.1.
RDR_to_PC_DataBlock
This message is sent by the smart card reader 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
8
bError
1
Slot error register as defined in CCID section
4.2.1 and this specification section 5.2.8
9
bChainParameter
1
00h
RFU (TPDU exchange level)
10
abData
Byte
array
This field contains the data returned
by the CCID
Document Title Here
Document Title Here
Document Title Here
ACR101 PC/SC Memory Card Access
Version 1.0
Page 14 of 19
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