decaWave DW1000 - Figure 8: Dw1000 State Diagram

DW1000 User Manual
© Decawave Ltd 2017
Version 2.12
Page 15 of 242
Figure 8: DW1000 State Diagram
OFF
Crystal stable,
RSTn released &
Digital 1.2V LDO
enabled?
WAKEUP
INIT
RX enabled?
RX TX
RX complete?
Snooze set?
Snooze count complete?
Wakeup Event?
SNOOZE
SLEEP
CLKPLL locked?
TX enabled?
TX complete?
DEEPSLEEP
3.3 V rail > POR threshold?
Restore selected
AON configuration
IDLE
Store selected
AON configuration
SLEEP or DEEPSLEEP?
Power off
N
Y
N
Y
Y
N
Y
Y
Y
Y
AUTO SLEEP?
IRQ Pending?
N
N
N
N
Y
Y
Y
Y
N
N
N
N
N
Y
Force to INIT?
Y