Advanced Card Systems Ltd. ACR3901T-W1, Reference Manual

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ACR3901T-W1 – Reference Manual
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Version 1.02
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Page 28 of 100
6.1.5.7. Card Set Parameters
This command changes the parameters for the inserted card after power on.
Command Format
Offset Field Size Value Description
0 bMessageType 1 61h -
1 LEN1 LEN2 (wLength) 2 -
Number of extra bytes starting
from the next field for this
message, and is expressed in two
bytes long, and LEN1 is LSB
while LEN2 is MSB
3
abData1
ProtocolNum 1 -
Card Protocol data structure:
00h = Structure for protocol T=0
01h = Structure for protocol T=1
4 ProtocolDataStructure N - Protocol Data Structure
4+N CSUM (wChecksum) 1 -
CSUM means the XOR values of
all bytes in the command
Response Data Format
Offset Field Size Value Description
0 bMessageType 1 16h Escape Response Header
1 LEN1 LEN2 (wLength) 2 -
Number of extra bytes starting
from the next field for this
message, and is expressed in two
bytes long, and LEN1 is LSB
while LEN2 is MSB
3
abData2
ProtocolNum
1 -
Card Protocol data structure:
00h = Structure for protocol T=0
01h = Structure for protocol T=1
4 ProtocolDataStructure N - Protocol Data Structure
4+N CSUM (wChecksum) 1 -
CSUM means the XOR values of
all bytes in the command