Data Sheet

Page 113
RFM95/96/97/98
Te l : + 8 6 - 7 5 5 - 8 2 9 7 3 8 0 5 Fa x : + 8 6 - 7 5 5 - 8 2 9 7 3 5 5 0 E- m a i l : sa l e s @ h o p e r f . c o m h t t p : / / w w w . h o p e r f . c o m
WIRELESS & SENSING PRELIMINARY DATASHEET
Wan te d Sign al


Preamble ( Preamble + Sync = T2 )
Sync
Word
Payload Crc
Idle
Receive
Timer1 RxTimeout
Timer2
Preamble
Detect
Sync
Addr ess
Fifo
Level
Figure 50. Listen Mode with Preamble Received & Valid SyncAddress
7.3.2.2. Sequencer Configuration
The following graph shows Listen mode - Wake on SyncAddress state machine:
StateMachin e


Sequencer Off
&
Initial mode = Sleep or
Standby
Start bit set
IdleMode = 1 : Sleep
Start
FromStart = 00
LowPower
LowPowerSelection = 1
Selection
Idle
On T1
FromIdle =
1
FromRxTimeout = 10
RxTimeout
On T2
On RxTimeout
Receive
On SyncAdress
FromReceive = 101
Sequencer Off
Figure 51. Wake On SyncAddress State Machine