Datasheet

STM6600, STM6601 Waveforms
Doc ID 15453 Rev 11 17/52
Figure 10. Unsuccessful power-up on STM6600 (t
ON_BLANK
expires prior to PB release)
1. PB detection on falling and rising edges.
2. Internal pull-down resistor 300 kΩ is connected to PS
HOLD
input during power-up.
3. t
ON_BLANK
expires prior to PB release so PS
HOLD
is checked at its expiration.
internal pull-down resistor connected to
PS
HOLD
input
PS
HOLD
ignored
PB status
ignored
V
CC
undervoltage detection ignored
PB
(1)
PS
HOLD
(2)
EN
(3)
RST
Push-button pressed and
PB connected to GND
t
DEBOUNCE
PB released
t
REC
t
EN_OFF
t
ON_BLANK
t
ON_BLANK
expired prior to PB release
PS
HOLD
state detected as low
EN is deasserted
AM00248bv2
INT signal is held high during power-up (i.e. until t
ON_BLANK
expires in this case).
V
CC
is considered V
CC
> V
TH+
.
Note: