STM6601 STMicroelectronics, STM6601 Datasheet - Page 19

• Manufacturer Part Number: STM6601
• Description: Smart push-button on/off controller with Smart ResetTM and power-on lockout
• Manufacturer: STMicroelectronics

STM6600 - STM6601
Figure 12. Unsuccessful power-up on STM6601
1. PB detection on falling edge.
2. Internal pull-down resistor 300 kΩ is connected to PS
3. PS
PS
the
HOLD
HOLD
RST
EN
EN
PB connected to GND
PB
Push-button pressed and
Note:
signal goes low. Even releasing the
(3)
signal is ignored during t
(1)
(2)
INT signal is held high during power-up (i.e. until t
V
CC
is considered V
t
DEBOUNCE
ON_BLANK
t REC
CC
> V
connected to PS
intenal pull-down resistor
PS
. When t
TH+
HOLD
PB
.
Doc ID 15453 Rev 10
button after the t
ON_BLANK
t
PS
EN deasserted
ignored
ON_BLANK
HOLD
HOLD
HOLD
input
input during power-up.
expires, the level of the PS
state detected as low
expires
ON_BLANK
ON_BLANK
will not prevent this.
expires in the case of the STM6601).
HOLD
Push-button pressed and
PB connected to GND
signal is not high therefore
Waveforms
AM00238v2
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