ACR1281U-C1 – Application Programming Interface
Version 1.08
www.acs.com.hk
Page 96 of 96
Functions
ACR128
ACR1281U-C1
9. Set/Read Default LED
and Buzzer Behaviors
Set: 21 01 [Data: 1 byte]
Read: 21 00
Data:
Bit 0 = ICC Activation Status
Bit 1 = PICC Polling Status LED
Bit 2 = PICC Activation Status
Buzzer
Bit 3 = PICC PPS Status Buzzer
Bit 4 = Card Insertion and
Removal Events Buzzer
Bit 5 = Contactless Chip Reset
Indication Buzzer
Bit 6 = Exclusive Mode Status
Buzzer
Bit 7 = Card Operation Blinking
LED
Set: 21 01 [Data: 1 byte]
Read: 21 00
Data:
Bit 0 = ICC Activation Status
Bit 1 = PICC Polling Status
LED
Bit 2 = RFU
Bit 3 = RFU
Bit 4 = Card Insertion and
Removal Events Buzzer
Bit 5 = Contactless Chip Reset
Indication Buzzer
Bit 6 = Exclusive Mode Status
Buzzer
Bit 7 = Card Operation Blinking
LED
10. Set/Read Automatic
PICC Polling
Set: 23 01 [Data: 1 byte]
Read: 23 00
Data:
Bit 0 = Auto PICC Polling
Bit 1 = Turn off Antenna Field if no
PICC is found
Bit 2 = Turn off Antenna Field if
the PICC is inactive
Bit 3 = Activate the PICC when
detected
Bit 4..5 = PICC Poll Interval for
PICC
Bit 6 = Test Mode
Bit 7 = Enforce ISO 14443A Part 4
Set: 23 01 [Data: 1 byte]
Read: 23 00
Data:
Bit 0 = Auto PICC Polling
Bit 1 = Turn off Antenna Field if
no PICC is found
Bit 2 = Turn off Antenna Field if
the PICC is inactive
Bit 3 = RFU
Bit 4..5 = PICC Poll Interval for
PICC
Bit 6 = RFU
Bit 7 = Enforce ISO 14443A
Part 4
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