TLE8082ES datasheet(18/61 Pages) INFINEON

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4.1.7

Normal operation watchdog (WD) ready state

In the Normal operation WD ready state, all functions are working according to their definitions.

Table 12

Normal operation WD ready state

Function

Status

Note

Pre-regulator, 5 V Sensor supply, 5 V

Communication supply

output voltage according to Electrical

characteristics external supplies (see Table 19)

Power stages

controlled by microcontroller

SPI

communication enabled

normal access

Watchdog

watchdog period running, EC<5

Key input pin KEY

high

driven from outside

Reset output pin NRIO

high

4.1.8

Afterrun watchdog (WD) ready state

In the Afterrun WD ready state state, all functions are working according to their definitions. The only

difference to the Normal operation states is that ramp down is controlled by the microcontroller via SPI

communication. The bit AE is set to "1".

Table 13

Afterrun WD ready state

Function

Status

Note

Pre-regulator, 5 V Sensor supply, 5 V

Communication supply

output voltage according to Electrical

characteristics external supplies (see Table 19)

Power stages

controlled by microcontroller

SPI

communication enabled

normal access

Watchdog

watchdog period running, EC<5

Key input pin KEY

low

driven from outside

Reset output pin NRIO

high

TLE8082ES

Small engine management IC

Operation behavior

Datasheet

Rev. 1.0

2021-03-23

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