CANFDNET-400U
High-performance Four-channel CANFD Bus-to-Ethernet Converter User Manual
©2021 Guangzhou ZLG Microelectronics Technology Corp.,Ltd.
21
User Manual
Figure 4.14 Example of converting CAN to CAN
2.
Receive CANFD to CAN
As shown in
②
in Figure 4.13, set CAN0 to receive converting CANFD to CAN. If the
data length of the CANFD message is greater than 8, the CANFD message is truncated,
and only the first 8 bytes are reserved for forwarding (the frame type remains unchanged).
Figure 4.15 Example of converting CANFD to CAN (DLC greater than 8)
Figure 4.16 Example of converting CANFD to CAN (DLC less than 8)
3.
Receive CAN to CANFD
As shown in
③
in Figure 4.13, set CAN1 to receive CAN and then convert it to
CANFD. The converted CANFD length is 64 and the padding data is 0xFF. Enable data
domain baud rate acceleration.
Figure 4.17 Example of converting CAN to CANFD
4.
Receive CANFD to CANFD
As shown in
④
in Figure 4.13, set CAN1 to receive CANFD and then convert it to
CANFD without changing the frame data.
Figure 4.14 Example of converting CAN to CAN
4.3.4 Filtering