Datasheet

STM6600, STM6601 Waveforms
Doc ID 15453 Rev 11 21/52
Figure 14. PB interrupt
1. PB detection on falling edge.
PB
(1)
t
DEBOUNCE
t
INT_Min
t
EN_OFF
Push-button pressed and
PB connected to GND
and EN is deasserted
accordingly
PB status
ignored
V
CC
undervoltage
detection ignored
PB status
ignored
processor sets PS
HOLD
low
PS
HOLD
AM00251v2
processor interrupt starts power-down sequence
Note: V
CC
is considered V
CC
> V
TH+
.