ACR3901U-S1 – Reference Manual
Version 1.09
www.acs.com.hk
Page 41 of 96
6.2.1.4.
PC_to_RDR_XfrBlock
This command transfers data block to the ICC.
Offset
Field
Size
Value
Description
0
bMessageType
1
6Fh
-
1
dwLength
4
-
Size of
abData
field of this message.
5
bSlot
1
-
Identifies the slot number for this
command.
6
bSeq
1
-
Sequence number for command.
7
bBWI
1
-
Used to extend the CCIDs Block Waiting
Timeout for this current transfer. The
CCID will timeout the block after “this
number multiplied by the Block Waiting
Time” has expired.
8
wLevelParameter
2
-
Short APDU level, RFU = 0000h
Extended APDU level:
0000h – the command APDU begins and
ends with this command.
0001h – the command APDU begins
with this command, and continues in the
next PC_to_RDR_XfrBlock.
0002h – the abData field continues a
command APDU and ends the APDU
command.
0003h – the abData field continues a
command APDU and another block is to
follow.
0010h – empty abData field, continuation
of response APDU is expected in the
next RDR_to_PC_DataBlock.
10
abData
Byte
array
-
Data block sent to the CCID.
The response to this message is the
RDR_to_PC_DataBlock
message.
6.2.1.5.
PC_to_RDR_GetParameters
This command gets the slot parameters.
Offset
Field
Size
Value
Description
0
bMessageType
1
6Ch
-
1
DwLength
4
00000000h
Size of extra bytes of this message
5
BSlot
1
-
Identifies the slot number for this
command
6
BSeq
1
-
Sequence number for command
7
AbRFU
3
-
Reserved for future use
The response to this message is the
RDR_to_PC_Parameters
message.