adf7023-j Analog Devices, Inc., adf7023-j Datasheet - Page 59

• Manufacturer Part Number: adf7023-j
• Description: High Performance, Low Power, Ism Band Fsk/gfsk/msk/gmsk Transceiver Ic
• Manufacturer: Analog Devices, Inc.

SWM_RSSI_DET
LOW POWER MODE TIMING DIAGRAMS
PREAMBLE_DETECT
ADDRESS_MATCH
INTERRUPT_
NUM_WAKEUPS
ADF7023-J
OPERATION
SWM_RSSI_DET
CRC_CORRECT
SYNC_DETECT
INTERRUPT_
ADF7023-J
OPERATION
INTERRUPT_
INTERRUPT_
INTERRUPT_
INTERRUPT_
INTERRUPT_
ADF7023-J
OPERATION
NUMBER_OF_WAKEUPS_IRQ_THRESHOLD = 0)
HOST: CMD_PHY_SLEEP
HOST: START WUC
PHY_OFF OR
PHY_ON
HOST: CMD_PHY_SLEEP
HOST: START WUC
PHY_OFF OR
INTERRUPT_NUM_WAKEUPS
HOST: CMD_PHY_SLEEP
HOST: START WUC
PHY_ON
PHY_OFF OR
PHY_ON
Figure 72. Low Power Mode Timing When Using the WUC, Firmware Timer, and SWM with Carrier Sense
(IF ENABLED AND
WUC_TIMEOUT
(IF ENABLED)
Figure 73. Low Power Mode Timing When Using the WUC, Firmware Timer, and SWM
ADF7023-J
OPERATION
INTERRUPT
INTERRUPT
Figure 71. Low Power Mode Timing When Using the WUC and the Firmware Timer
WUC TIMEOUT PERIOD
WUC TIMEOUT PERIOD
WUC TIMEOUT PERIOD
PHY_SLEEP
PHY_SLEEP
Figure 70. Low Power Mode Timing When Using the WUC
PHY_SLEEP
PHY_OFF OR PHY_ON
WUC TIMEOUT PERIOD × NUMBER_OF_WAKEUPS_IRQ_THRESHOLD
HOST: CMD_PHY_SLEEP
HOST: START WUC
RSSI ≤ THRESHOLD
FIRMWARE TIMER
INCREMENT
RSSI
Rev. 0 | Page 59 of 100
NO PACKET
DETECTED
RX
WUC TIMEOUT PERIOD
WUC TIMEOUT PERIOD
REAL TIME INTERNAL
PHY_SLEEP
PHY_SLEEP
PHY_SLEEP
WUC TIMEOUT PERIOD
PHY_SLEEP
INIT
FIRMWARE TIMER
RSSI ≤ THRESHOLD
INCREMENT
RSSI
NO PACKET
DETECTED
RECEIVE DWELL TIME
RX
(RX_DWELL_TIME)
PHY_RX
PHY_SLEEP
PHY_SLEEP
PHY_SLEEP
FIRMWARE TIMER
> THRESHOLD
RSSI > THRESHOLD
PHY_OFF
RSSI
DETECTED
PACKET
PHY_OFF
ADF7023-J
PHY_ON
PHY_ON