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ACM1252U-Y3
– Reference Manual
Version 1.03
www.acs.com.hk
Page 26 of 92
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.hk
5.2.3.2.6. Timer Data Object
This command is used to create a 32-bit timer data object in unit of 1 µs.
Example:
If there is timer data object with 5000 µs between RF Turn Off Data Object and RF Turn On
Data Object, the reader will turn off the RF field for about 5000µs before it is turned on.
Timer Data Object
Tag
Length (1 byte)
Value
5F 46h
04h
Timer (4 bytes)
5.2.3.2.7. Get Parameter Data Object
This command is used to get the different parameters from the IFD.
Get Parameter Data Object
Tag
Length (1 byte)
Value
Tag
Len
Value
FF 6Dh
Var
TLV_Objects
TLV_Objects
Parameters Requested
Tag
Length
Frame size for IFD integer (FSDI)
01h
00h
Frame size for ICC integer (FSCI)
02h
00h
Frame waiting time integer (FWTI)
03h
00h
Max. Communication Speed supported by the IFD
04h
00h
Communication Speed of the ICC
05h
00h
Modulation Index
06h
00h
PCB for ISO/IEC14443
07h
00h
CID for ISO/IEC14443
08h
00h
NAD for ISO/IEC14443
09h
00h
Param 1
– 4 for for ISO/IEC14443 type B
0Ah
00h
5.2.3.2.8. Set Parameter Data Object
This command is used to set different parameters from the IFD.
Set Parameter Data Object
Tag
Length (1 byte)
Value
Tag
Len
Value
FF 6Eh
Var
TLV_Objects