33742_08 Datasheet, PDF (41/70 Pages) Freescale Semiconductor, Inc – System Basis Chip with Enhanced High Speed CAN Transceiver

FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
TXD
CANH Dominant
CANH
2.5V
CANL
CANL Dominant
RXD
CANL/CANH Recessive
Ground
CAN Bus Sleep State
CAN in TXRX Mode
CANH Dominant
Pulse # 1
CANH Dominant
Pulse # 2
CANH Dominant
Pulse # 3
CANL Dominant CANL Dominant CANL Dominant
Incoming CAN Message
CAN in Sleep Mode (Wake-up Enable)
WU Receiver
Min 500ns
Max 500μs
Internal Wake-up Signal
Figure 22. CAN Bus Signal During Can Sleep State and Wake-up Sequence
Analog Integrated Circuit Device Data
Freescale Semiconductor
33742
41