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STM6600GS22DM6F Datasheet(PDF) 24 Page - STMicroelectronics

No. de pieza STM6600GS22DM6F
Descripción Electrónicos  Smart push-button on/off controller with Smart ResetTM and power-on lockout
PDF  51 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM6600GS22DM6F Datasheet(HTML) 24 Page - STMicroelectronics

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STM6600 - STM6601
24/51
Doc ID 15453 Rev 7
Figure 18.
Long push (option with RST assertion)
1.
tSRD period is set by external capacitor CSRD.
2.
PB ignored during tINT_Min.
3.
PSHOLD signal is ignored during tON_BLANK. Its level is checked after tON_BLANK expires and if it is high the EN signal
remains asserted, otherwise EN goes low.
4.
Internal pull-down resistor 300 k
Ω is connected to PS
HOLD input during startup when device is reset.
internal pull-down resistor
connected to PS
HOLD
input
PS
HOLD
ignored
PB status
ignored
tON_BLANK
tSRD
(1)
set by CSRD
VCC undervoltage detection status ignored
PB
PS
HOLD
(3, 4)
INT
(2)
RST
Push-button pressed
and PB connected to
GND
tDEBOUNCE
tREC
Push-button held even
after tSRD expires
therefore RST is asserted
INT can go high, if PB goes high,
but system freezes and processor
won’t respond
if system freezes, processor won’t
respond to any INT status change
t INT_Min
tDEBOUNCE
After tON_BLANK
PB is monitored
for falling edge
t
ON_BLANK expires
PS
HOLD
state detected as high
therefore EN remains high
(valid for STM6600 and STM6601)
SR
AM00252v2
Note: EN is high.



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