ACR128 Dual Interface Smart Card Reader
Status
00
Antenna is turned off
01
Antenna if turned on
NOTE:
Make sure that the Auto PICC Polling is disabled first before turning off the antenna field. To execute
the manual PICC Polling, the antenna field must be enabled first.
5.7 Transceiver Setting
The Transceiver settings can be modified programmatically at any given time.
To modify the transceiver setting of the device, issue the following command:
ACR128 Escape Command
Modify Transceiver Setting
20
04
06
Antenna
Setting
RX
Gain
TX
Mode
Use Tables 13, 14 and 15 to format Antenna Setting, RX Gain, and TX Mode values.
Table 13: Antenna Setting Values
CMD Description
Bit7 – Bit4
Field Stop Time (Unit = 5 ms)
Bit3 – Bit 0
Setup Time (Unit = 10 ms)
33 or 12
Default Value
Table 14: RX Gain Setting Values
CMD Description
Bit7 – Bit3
RFU
Bit2
LP Filter Off
Bit1 – Bit 0
Receiver Gain
06 Default
Value
Table 15: TX Mode Setting Values
CMD Description
4B Default
Value
To read the existing transceiver setting of the device, issue the following command:
ACR128 Escape Command
Read Transceiver Setting
20
01
Page
19 of 36
ACR128 API
Version 1.7 May 2008
