STM6600 STMicroelectronics, STM6600 Datasheet - Page 14

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

Waveforms
4
Figure 7.
1. PB detection on falling and rising edges.
2. Internal pull-down resistor 300 kΩ is connected to PS
3. EN signal is high even after PB release, because processor sets PS
14/52
PS
HOLD
RST
EN
PB
Note:
Push-button pressed and
PB connected to GND
(1)
(2)
(3)
Waveforms
Successful power-up on STM6600 (PB released prior to t
INT signal is held high during power-up (i.e. until PB release in this case).
V
CC
is considered V
t
DEBOUNCE
V
ignored
connected to PS
CC
PS
internal pull-down resistor
CC
t
REC
> V
HOLD
undervoltage detection
TH+
.
Doc ID 15453 Rev 10
ignored
HOLD
t
input during power-up.
ON_BLANK
HOLD
sets PS
processor
input
HOLD
HOLD
signal high before PB is released.
PB released prior to t
expiration
PS
EN remains asserted
HOLD
ON_BLANK
state detected as high
STM6600 - STM6601
expiration)
ON_BLANK
AM00247v3