TLE8458Gx
Mode Control
5.2.5
Wake - Up Events in Sleep and Stop Mode
A Wake - Up event in Sleep Mode or Stop Mode changes the operation mode of the TLE8458Gx to Stand-By
Mode. There are 3 different options to wake-up the TLE8458Gx from Sleep Mode or Stop Mode:
•
•
•
A bus Wake - Up event, caused by a message on the LIN bus.
A local Wake - Up event, caused by a logical LOW signal on the WK pin.
A signal change to logical HIGH on the EN pin.
5.2.5.1
Bus Wake - Up event
A falling edge on the LIN bus, followed by a dominant bus signal for the time t >
t
wk,Bus
causes a bus Wake - Up or
also called remote Wake - Up. The mode change becomes active with the following rising edge on the LIN bus
(see
In Stand-By Mode the Wake - Up source is indicated by the TxD and RxD pins (see
Figure 6
Bus Wake - Up
Data Sheet
14
Rev. 1.01, 2009-04-28
INFINEON [ INFINEON TECHNOLOGIES AG ]
