STM6600 STMicroelectronics, STM6600 Datasheet - Page 25

• Manufacturer Part Number: STM6600
• Description: Smart push-button on/off controller with smart reset and power-on lockout
• Manufacturer: STMicroelectronics

STM6600 - STM6601
Figure 19. Long push (option with enable deassertion)
1. t
2. PB ignored during t
3. After t
SRD
period is set by external capacitor C
SRD
PS
INT
EN
expires EN is forced low.
HOLD
SR
PB
(2)
(3)
connected to GND
pressed and PB
t
DEBOUNCE
INT_Min
Push-button
.
V
CC
undervoltage detection status ignored
PB status
ignored
respond to any INT status change
if system freezes, processor won’t
SRD
.
but system freezes and processor
t
INT can go high, if PB goes high,
INT _ Min
Doc ID 15453 Rev 10
set by C
won’t respond
t
SRD
(1)
Push-button held even
after t
SRD
EN is deasserted
SRD
expires and
PB status
t
ignored
EN _ OFF
After t
PB is monitored for
falling edge
EN_OFF
t
DEBOUNCE
expires
Waveforms
AM00253v2
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