SX1231
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
Upon detection of a valid packet, the sequencing is altered, as shown below:
PayloadReady
ListenCriteria
passed
Idle
Idle
Idle
Rx
Rx
Rx
ListenEnd = 00
ListenEnd = 01
ListenEnd = 10
Listen Mode
Listen Mode
Listen Mode
Mode
Idle
Rx
Figure 19. Listen Mode Sequence (wanted signal is received)
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) :
ListenOn to 0
ListenAbort to 1
Mode to the wanted operation mode
Rev 2 - Nov 2009
Page 39
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