TLE8457CSJ datasheet(7/31 Pages) INFINEON

7 / 31 page

Data Sheet

Rev. 1.1

2018-10-15

TLE8457C / TLE8457D

LIN Transceiver with integrated voltage regulator

Functional description

Bus wake-up detection

RxD is set “low” for signalling the bus wake-up event to the

microcontroller.

Bus wake-up detection in standby

mode

RxD is set “low” for signalling the bus wake-up event to the

microcontroller. Operating mode is not changed.

Table 2

Operating mode control

Mode

Control

Functionality

Comments

TxD

VCC

NRST

RxD

Sleep

Low

Off

Low

Floating –

Standby

Low

High1)

1) The TxD input has a pull-up structure to VCC and is per default set to logic “high” if left open.

High2)

2) NRST is logic “low” during VCC undervoltage and while issuing a reset pulse to the microcontroller.

Low

High

RxD “low” after a bus wake-up

RxD “high” after power-up or reset

Normal

operation

High

Low

High

High2)

Low

High

RxD reflects the signal on the bus

TxD driven by the microcontroller

Table 1

Operation mode transitions (cont’d)

No. Reason for transition

Comment

TLE8457CSJ Datasheet(PDF) 7 Page - Infineon Technologies AG

TLE8457CSJ Datasheet(HTML) 7 Page - Infineon Technologies AG

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Datasheet Download

Link URL