Data Sheet

6223B-U
UD
FN-LINK TECHNOLOGY LIMITED Proprietary & Confidential
Information
12
6.2 Po
wer Off by WL_EN and BT_EN sequence
Power off by WL_EN and BT_EN timing parameters:
Min Typical Max Unit Description
T
PDN_
CHIP
100 200 -- ms WL_EN, BT_EN keep low duration
WL_EN and BT_EN can externally shutdown the chipset when both WL_EN and BT_EN
are pulled low. The keeping low duration must be more than T
PDN_
CHIP
.
6.3 Po
wer Off by 3.3V power sequence
Power off by WL_EN and BT_EN timing parameters:
Min Typical Max Unit Description
T
P
WR_OFF
100 200 -- ms 3.3V power off time
V
PWR_OFF
-- -- 0.7 V 3.3V power off voltage
When 3.3V power off and on afterward, the voltage of 3.3V power must keep lower than
V
P
WR_OFF
, and the 3.3V power keeping off duration must be more than T
P
WR_OFF
.