User's Manual

TiWi-BLECA TRANSCEIVER MODULE
USER MANUAL
The information in this document is subject to change without notice.
TiWi-BLECA Copyright © 2013 LS Research, LLC Page 16 of 32
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-BLECA 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.