SX1231-31SKB868-EVAL Semtech, SX1231-31SKB868-EVAL Datasheet - Page 81

• Manufacturer Part Number: SX1231-31SKB868-EVAL
• Description: development tool usb kit for sx1231 transceiver...
• Manufacturer: Semtech

9.2. Listen Mode
9.2.1. Resolutions
On the SX1231 V2a, the Listen mode resolutions were identical for the Idle phase and the Rx phase. They are now
independently configurable, adding flexibility in the setup of the Listen mode.
9.2.2. Exiting Listen Mode
In the SX1231 V2a, the following procedure was requested to exit Listen mode:
Listen mode can simply be exited on the SX1231 V2b by resetting bit ListenOn to 0 in RegListen.
9.3. OOK Floor Threshold Default Setting
The following default value modification was required on the V2a silicon:
It is not required to modify this register any more on the SX1231 V2b.
Rev 4 - Nov 2010
ADVANCED COMMUNICATIONS & SENSING
For all three ListenEnd settings (i.e. even for 00 and 01) disabling Listen mode can be done
anytime by writing all together in a single SPI write command (same register) :
Mode to the wanted operation mode
ListenOn to 0
ListenAbort to 1
Figure 46. Exiting Listen Mode in SX1231 V2a
Figure 44.
Figure 45. Listen Mode Resolution, V2b
Figure 47. RegTestOok Description
Listen Mode Resolutions, V2a
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