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PCA9420 Datasheet(PDF) 61 Page - NXP Semiconductors

Part # PCA9420
Description  Power management IC for low-power microcontroller applications
PDF  87 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA9420 Datasheet(HTML) 61 Page - NXP Semiconductors

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NXP Semiconductors
PCA9420
Power management IC for low-power microcontroller applications
Bit
Symbol
Default
value
Type
Function
7
ON_FILTERED
1
R
ON pin status; low level debounced for 5 ms (high level
propagates instantly). Write to this bit has no effect.
6:5
RSVD
0
RO
Reserved bits
4
THM_STDN_DONE
0
RW
PMIC exited thermal shutdown. All registers reset to defaults.
Write 1 to clear.
3
SHIP_EXIT_DONE
0
RW
PMIC exited Ship mode. All registers reset to defaults. Write
1 to clear.
2
SW_RST_DONE
0
RW
A system reset caused by Software Reset command has
occurred. All registers were reset to their defaults. Write 1 to
clear.
1
WD_RST_DONE
0
RW
A system reset caused by Watchdog Timer has occurred.
Registers were NOT reset to their defaults. Write 1 to clear.
0
LONG ON_DONE
0
RW
A system reset caused by long ON press has occurred. All
registers were reset to their defaults. Write 1 to clear.
Table 76. RESET monitor register bit description
PCA9420
All information provided in this document is subject to legal disclaimers.
© 2022 NXP B.V. All rights reserved.
Product data sheet
Rev. 4.0 — 28 November 2022
61 / 87



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