Datasheet

TLE6251D
Fail Safe Functions
Data Sheet 15 Rev. 1.0, 2012-07-27
5.7 Delay Time for Mode Change
During the mode change from stand-by mode to normal-operating mode or vice versa, the internal receive unit
switches from the low-power receiver to the normal mode receiver and vice versa. In order to avoid any bit toggling
on the RxD output pin, the RxD output is set to logical “high” during the mode change for the time
t
Mode
(see
Figure 10) and is not reflecting the signal on the CAN bus.
Figure 10 Signal on the RxD pin during a mode change
t
V
CC
/2
t
CANH
CANL
t
MODE
V
CAN
STB
t
V
RxD
stand-by mode
t
MODE
normal-operating
mode
normal-operating mode