TLE9832 datasheet(18/94 Pages) INFINEON

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TLE9832

Functional Description

Data Sheet

Rev. 1.1, 2012-03-08

Wake-up Source Prioritization

All wake-up sources have the same priority. In order to handle the asynchronous nature of the wake-up sources,

the first wake-up signal will initiate the wake-up sequence. Nevertheless all wake-up sources are latched in order

to provide all wake-up events to the application software. The software can clear the wake-up source flags. It is

ensured, that no wake-up event is lost.

As default wake-up sources, the LIN and MON inputs are activated after power-on reset only. GPIO ports as wake-

up sources are disabled by default after power-on reset. The application software can reconfigure the wake-up

sources according to the application needs.

Wake-up Levels and Transitions

The wake-up can be triggered by rising, falling or both signal edges for each monitor and GPIO input individually.

CYCLIC Modes

n.a.

cyclic wake-up/

cyclic sense/OFF

cyclic wake-up/

cyclic sense/OFF

cyclic sense with HS,

VDDEXT; wake-up

from cyclic wake

needs MC for

entering Sleep Mode /

Stop Mode again

Measurement Unit

ON1)

OFF

–

MCU

ON/slow-

down/HALT

STOP2)

OFF

–

CLOCK GEN (MC)

OFF

–

LP_CLK (20 MHz)

OFF

WDT1

LP_CLK2 (100 kHz)

for cyclic wake-up

1) Cannot not be switched off due to safety reasons

2) MC PLL clock disabled, MC supply reduced to 0.9 V

Table 4

Power mode configurations

Module/function

Active Mode Stop Mode

Sleep Mode

Comment

TLE9832 Datasheet(PDF) 18 Page - Infineon Technologies AG

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