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MPF7100BVBA2ES Datasheet(PDF) 91 Page - NXP Semiconductors

Part # MPF7100BVBA2ES
Description  7-channel power management integrated circuit for high performance applications
PDF  125 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

MPF7100BVBA2ES Datasheet(HTML) 91 Page - NXP Semiconductors

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NXP Semiconductors
PF7100
7-channel power management integrated circuit for high performance applications
PF7100
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2021. All rights reserved.
Product data sheet
Rev. 4 — 9 March 2021
91 / 125
• When WD_STBY_EN = 0, the internal watchdog timer operation during standby is
disabled.
• When WD_STBY_EN = 1, the internal watchdog timer operation during standby is
enabled.
The OTP_WD_STBY_EN bit selects whether the watchdog is active in standby mode by
default or not.
15.10.2 Watchdog reset behaviors
When a watchdog event is started, a watchdog (WD) reset is performed. There are two
types of watchdog reset:
• Soft WD reset
• Hard WD reset
A soft WD reset is used as a safe way for the MCU to force the PMIC to return to a
known default configuration without forcing a POR Reset on the MCU. During a Soft WD
reset, the RESETBMCU remains deasserted all the time.
Upon a soft WD reset, a partial OTP register reload is performed on the registers as
shown in Table 74.
Table 74. Soft WD register reset
Bit name
Register
Bits
Configuration registers
STANDBYINV
CTRL2
2
RUN_PG_GPO
CTRL2
1
STBY_PG_GPO
CRTL2
0
RESETBMCU_SEQ[7:0]
RESETBMCU PWRUP
7:0
PGOOD_SEQ[7:0]
PGOOD PWRUP
7:0
WD_EN
CTRL1
3
WD_DURATION[3:0]
WD CONFIG
3:0
WD_STBY_EN
CTRL1
2
WDI_STBY_ACTIVE
CTRL1
1
SW registers
SWx_WDBYPASS
SWx CONFIG1
1
SWx_PG_EN
SWx CONFIG1
0
SWxDVS_RAMP
SWx CONFIG2
6:5
SWxILIM[1:0]
SWx CONFIG2
4:3
SWxPHASE[2:0]
SWx CONFIG2
2:0
SWx_SEQ[7:0]
SWx PWRUP
7:0
SWx_PDGRP[1:0]
SWx MODE
5:4
SWx_STBY_MODE [1:0]
SWx MODE
3:2
SWx RUN_MODE [1:0]
SWx MODE
1:0
VSWx_RUN [7:0]
SWx RUN VOLT
7:0
VSWx_STBY [7:0]
SWx STBY VOLT
7:0
VSW5 [4:0]
SW5 VOLT
4:0
SW3_VTTEN
SW3_CONFIG2
6



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