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TiWi-R2 TRANSCEIVER MODULE
DATASHEET
WLAN POWER-DOWN SEQUENCE
Notes:
1.
2.
The DC2DC(1.8V) signal can be monitored on BT_FUNC2 Module Pin (#41)
DC_REQ and CLK_REQ are internal signals shown for reference only
Figure 4 TiWi-R2 Module Power-down Sequence Requirements
1. DC_REQ will go low only if WLAN is the only core working. Otherwise if another core is working (e.g
BT) it will stay high.
2. CLK_REQ will go low only if WLAN is the only core working. Otherwise if another core is working and
using the F REF (e.g BT) it will stay high.
3. If WLAN is the only core that is operating, WL_EN must remain de-asserted for at least 64 ? sec
before it is re-asserted.
The information in this document is subject to change without notice.
330-0045-R4.0
Copyright ? 2010-2012 LS Research, LLC
Page 17 of 41
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