ACR1255U-J1 – Reference Manual
Version V1.01
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Page 23 of 73
5.6.3.
Get Slot Status
This command is used to check the presence of the inserted card.
Command Format
Offset
Field
Size
Value
Description
0
CmdMessageType
1
65h
-
1
Length
2
0000h
Data length
3
Slot
1
00h
-
4
Seq
1
00h
Sequence
5
Param
1
00h
Parameter
6
Check
1
00h
Check means the XOR values of all
bytes in the command
7
Data
N
Data
Response Data Format
Offset
Field
Size
Value
Description
0
CmdMessageType
1
81h
-
1
Length
2
0000h
Data length
3
Slot
1
00h
-
4
Seq
1
00h
Sequence
5
Param
1
Card Status:
00h = Card present and active
01h = Card present but inactive
02h = Card absent
6
Check
1
00h
Check means the XOR values of all
bytes in the command
7
Data
N
Data