
Document No. 002-14949 Rev. *E
Page 105 of 113
PRELIMINARY
CYW43353
19.1.2 Control Signal Timing Diagrams
Figure 42. WLAN = ON, Bluetooth = ON
Figure 43. WLAN = OFF, Bluetooth = OFF
32.678
kHz
Sleep
Clock
VBAT*
VDDIO
WL_REG_ON
BT_REG_ON
90%
of
VH
~
2
Sleep
cycles
*Notes:
1.
VBAT
should
not
rise
10%–90%
faster
than
40
microseconds
or
slower
than
10
milliseconds.
2.
VBAT
should
be
up
before
or
at
the
same
time
as
VDDIO.
VDDIO
should
NOT
be
present
first
or
be
held
high
before
VBAT
is
high.
VBAT*
VDDIO
WL_REG_ON
BT_REG_ON
32.678
kHz
Sleep
Clock
*Notes:
1.
VBAT
should
not
rise
10%–90%
faster
than
40
microseconds
or
slower
than
10
milliseconds.
2.
VBAT
should
be
up
before
or
at
the
same
time
as
VDDIO.
VDDIO
should
NOT
be
present
first
or
be
held
high
before
VBAT
is
high.