User manual

SCM3712 REFERENCE MANUAL 61
8.6.4.
READER_CNTLESS_RF_SWITCH
8.6.4.1. Description
This escape message ID can be used to retrieve the current RF state (ON/OFF) of SCM3712 as well
as to switch the RF state (ON/OFF).
8.6.4.2. Input buffer
Byte #
Value
Description
B0
0x96
Escape command code
B1
Configuration parameter
Configuration parameter byte can take the following values
Value Description
0x00
Switch the RF OFF
0x01
Switch the RF ON
0xFF
Get the current RF field state
8.6.4.3. Output buffer
Byte #
Configuration parameter
value from input buffer
Output buffer
NA
0x00 or 0x01
NULL
B0
0xFF
0x00 if the field is OFF
0x01 if the field is ON
8.6.5. READER_ CNTLESS_DISABLE_PPS
8.6.5.1. Description
Using this escape command one can enable/disable the default automatic PPS behavior of SCM3712.
When automatic PPS is disabled communication happens at the lowest baud rate commonly
supported by SCM3712 and the user token.
8.6.5.2. Input buffer
Byte #
Value
Description
B0
0x99
Escape command code
B1
Enable automatic PPS
0x00
Disable automatic PPS 0x01
8.6.5.3. Output buffer
Output buffer
NULL