USBCANFD-100U-mini
USBCANFD Series CANFD Interface Card User Manual
©2021 Guangzhou ZLG Electronics Technology Corp.,Ltd.
4
User Manual
2. Hardware Interfaces
2.1 USB Interface
USBCANFD-100U-mini adopts USB power supply mode (no external power interface). The USB cable is
directly connected to the board before delivery, as shown in Figure 2.1.
Figure 2.1 USBCANFD-100U-mini
2.2 CAN Communication Interface
The USBCANFD-100U-mini CAN communication interface uses a DB9 connector. The signal definition of the
interface pins meets the requirements of the CiA standard. Table 2.1 lists the pin signal definition of DB9, and
Figure 2.2 shows the interface.
Table 2.1 DB9 pin signal definition
Pin
Signal
Description
Figure
1
--
Reserved
2
CAN_L
CAN bus dominance is low
3
CAN_GND
CAN reference ground
4
--
Reserved
5
CAN_SHLD
CAN shield ground
6
CAN_GND
CAN reference ground