DR-WLS1273L-102 Datasheet, PDF (15/31 Pages) RF Monolithics, Inc – FCC/ETSI/IC Certified WLAN/Bluetooth Multifunction Module

WLAN Power-down Sequence
V B A T , 2 .3 to 5 .5 V
V IO , 1 .8 V
SO CK
_E
D C _R E Q
D C 2 D C , 1 .8 V
C K _R E Q
S D IO C K
A _ IR Q
1. DC_REQ will go low only if WLAN is the only core working. Otherwise if the BT core is working, it will stay high.
2. CLK_REQ will go low only if WLAN is the only core working. Otherwise if the BT core is working and using the F_REF it will stay
high.
3. If WLAN is the only core that is operating, WLAN ENABLE must remain de-asserted for at least 64 µs before it is re-asserted.
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DR-WLS1273L-102 Data Sheet - 12/13/12