Data Sheet

9

Rev. 1.1

2018-10-15

TLE8457C / TLE8457D

LIN Transceiver with integrated voltage regulator

Functional description

Figure 5

Entering standby mode after power-up

In standby mode the TLE8457C / TLE8457D indicates wake-up information on the RxD output. After a power-

up and reset event, the RxD output will be “high”. If the TLE8457C / TLE8457D is in standby mode after bus

wake-up detection, the RxD output will be “low”.

TLE8457CD_STANDBY_MODE

Standby mode

Un-powered

The device remains in Standby mode

while the signal on the EN pin is „low“

EN

LIN

Normal Operation mode

RxD signals Power-up

RxD signals Bus Wake-up

NRST

t

RxD

t

t

t

t

t