Set The Picc Operating Parameter - ACS ACR122U Manual

6.5. Set the PICC operating parameter

This command sets the PICC operating parameter of the reader.
Command Format (5 bytes)
Command
Set PICC
Operating
Parameter
Response Format (2 bytes)
Response
Result
PICC Operating Parameter
Bit
7 Auto PICC Polling
6 Auto ATS Generation
5 Polling Interval
4 FeliCa 424K
3 FeliCa 212K
2 Topaz
1 ISO 14443 Type B
ISO 14443 Type A
#To detect the MIFARE
0
Tags, the Auto ATS
Generation must be
disabled first.
Note: Default Value = FFh
ACR122U – Application Programming Interface
Version 2.04
Class INS
FFh 00h 51h
Data Out
PICC Operating
90h
Parameter
Parameter
To enable the PICC Polling
To issue ATS Request whenever an
ISO14443-4 Type A tag is activated
To set the time interval between
successive PICC Polling.
The Tag Types to be detected
during PICC Polling.
P1 P2
New PICC Operating
Parameter
Description
Le
00h
Option
1 = Enable
0 = Disable
1 = Enable
0 = Disable
1 = 250 ms
0 = 500 ms
1 = Detect
0 = Skip
1 = Detect
0 = Skip
1 = Detect
0 = Skip
1 = Detect
0 = Skip
1 = Detect
0 = Skip
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