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SRC0 데이터시트(PDF) 18 Page - STMicroelectronics

부품명 SRC0
상세설명  Power-up duration determined primarily by push-button press
PDF  48 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SRC0 데이터시트(HTML) 18 Page - STMicroelectronics

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DocID026008 Rev 2
Figure 11. Successful power-up on SRC0
1.
PB detection on falling edge.
2.
Internal pull-down resistor 300 k
 is connected to PS
HOLD input during power-up.
3.
PSHOLD signal is ignored during tON_BLANK. When tON_BLANK expires, the level of the PSHOLD signal is high
therefore the EN signal remains asserted.
PB status and VCCundervoltage
ignored
PB
(1)
EN
(3)
RST
Push-button pressed and
PB connected to GND
t
DEBOUNCE
tREC
processor
sets PSHOLD
detection
tON_BLANK
PSHOLD ignored
tON_BLANK expires
PSHOLD state detected as high
EN remains asserted
(2)
internal pull-down resistor
connected to PSHOLD input
PSHOLD
AM00250v2
INT signal is held high during power-up (i.e. until tON_BLANK expires in the case of the STM6601).
V
CC is considered VCC > VTH+.
Note:



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