MSP432P411VIPZ datasheet(145/212 Pages) TI1

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145

MSP432P4111, MSP432P4011, MSP432P411Y

MSP432P401Y, MSP432P411V, MSP432P401V

www.ti.com

SLASEA0A – DECEMBER 2017 – REVISED FEBRUARY 2018

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Product Folder Links: MSP432P4111 MSP432P4011 MSP432P411Y MSP432P401Y MSP432P411V MSP432P401V

Detailed Description

6.9.7

Watchdog Timer (WDT_A)

The primary function of the WDT_A module is to perform a controlled system restart if a software problem

occurs. If the selected time interval expires, a system reset is generated. If the watchdog function is not

needed in an application, the module can be configured as an interval timer and can generate interrupts at

selected time intervals.

The watchdog can generate a reset on either a time-out or a password violation. This reset can be

configured to generate either a hard reset or a soft reset into the system. See the WDT_A chapter in the

MSP432P4xx SimpleLink™ Microcontrollers Technical Reference Manual for more details.

Table 6-52. WDT_A Clocks

WDTSSEL

NORMAL OPERATION

(WATCHDOG AND INTERVAL TIMER MODE)

SMCLK

ACLK

VLOCLK

BCLK

CAUTION

The WDT must be set to interval mode before transitioning into the LPM3 or

LPM3.5 modes of operation. This allows the WDT event to wake the device

and return it to active modes of operation. Using the WDT in watchdog mode

may result in nondeterministic behavior due to the generated reset.

6.9.8

Precision ADC

The Precision ADC module can achieve up to 16-bit precision with software oversampling, up to 1-Msps

sampling rate with differential and single-ended inputs. The module implements a native 14-bit SAR core,

sample-and-hold circuit, reference generator, and a conversion result buffer. The window comparators

with lower and upper limits allow CPU-independent result monitoring through different window comparator

interrupt flags.

Table 6-53 summarizes the available Precision ADC external trigger sources.

Table 6-53. Precision ADC Trigger Signal Connections

ADC14SHSx

CONNECTED TRIGGER

SOURCE

BINARY

DECIMAL

000

Software (ADC14SC)

001

TA0_C1

010

TA0_C2

011

TA1_C1

100

TA1_C2

101

TA2_C1

110

TA2_C2

111

TA3_C1

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