Get The Firmware Version Of The Reader; Get The Picc Operating Parameter; Set The Picc Operating Parameter - ACS ACR122U Manual

6.3.

Get the Firmware Version of the reader

This is used to retrieve the firmware version of the reader.
Command Format (5 Bytes)
Command
Get
Firmware
Version
Response Format (10 Bytes)
Response
Result
E.g. Response = 41 43 52 31 32 32 55 32 30 31 (Hex) = ACR122U201 (ASCII)

6.4. Get the PICC Operating Parameter

This is used to retrieve the PICC Operating Parameter of the reader.
Command Format (5 Bytes)
Command
Get PICC
Operating
Parameter
Response Format (1Byte)
Response
Result

6.5. Set the PICC Operating Parameter

This is used to set the PICC Operating Parameter of the reader.
Command Format (5 Bytes)
Command
Set PICC
Operating
Parameter
Response Format (1 Byte)
Response
Result
Bit
7
6
5
ACR122U NFC Reader API
Document Title Here
Document Title Here
Version 2.00
Class
0xFF 0x00
Class
0xFF 0x00
PICC Operating Parameter
Class
0xFF 0x00
PICC Operating Parameter
Parameter
Auto PICC Polling
Auto ATS Generation
Polling Interval
Document Title Here
INS P1 P2
0x48 0x00
Data Out
Firmware Version
INS P1 P2
0x50 0x00
Data Out
INS P1
New PICC
0x51 Operating
Parameter
Data Out
Description
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.
Le
0x00
Le
0x00
P2 Le
0x00
Option
1 = Enable
0 = Disable
1 = Enable
0 = Disable
1 = 250 ms
0 = 500 ms
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