User Manual
TiWi-R2 TRANSCEIVER MODULE
DATASHEET
The information in this document is subject to change without notice.
330-0045-R4.2 Copyright © 2010-2013 LS Research, LLC Page 16 of 40
WLAN POWER-DOWN SEQUENCE
Notes:
1. The DC2DC(1.8V) signal can be monitored on BT_FUNC2 Module Pin (#41)
2. 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 64sec
before it is re-asserted.