IFX1040SJ Infineon Technologies, IFX1040SJ Datasheet - Page 9

• Manufacturer Part Number: IFX1040SJ
• Manufacturer: Infineon Technologies

Specifications of IFX1040SJ

• Packages: PG-DSO-8
• Transmission Ratemax: 1.0 Mbit/s
• Bus Wake-up Capability: Yes
• Additional Features: STB, WK, SPLIT
• Wake-up Inputs: Bus wake-up
• Standards: ISO 11898-2/ISO11898-5

Wake-up via CAN Message
During standby mode, a dominant CAN message on the bus longer than the filtering time t > t
activation of the wake-up. The wake-up during standby mode is signaled with the RxD output pin. A dominant
signal longer t > t
bus longer t > t
The μC is able to detect this change at RxD and switch the transceiver into the normal mode.
Figure 6
Data Sheet
BUS V
(CA NH-CA NL)
Wake-up behavior
V
V
V
GND
CC
WU2
CA N
V
DIFF
V
RxD
WU1
CC
CC
/2
the RxD level is switched to high, see
on the CAN bus switches the RxD level to LOW, with a following recessive signal on the CAN
Rec es s iv e to
Dominant
t
WU1
V
DIFF(d)
0.2 x V
CANH
CANL
CC
0.8 x V
9
Figure
t
CC
WU2
V
DIFF(d)
6.
V
DIFF(d)
Application Information
AET03395_TO1.VSD
Rev. 1.0, 2011-11-4
WU1
V
DIFF(d)
, leads to the
IFX1040
t
t
t