Connector UM1902
46/79 DocID027916 Rev 2
6.19 ST-LINK/V2-1 USB Type B connector CN21
The USB connector CN21 is used to connect the embedded ST-LINK/V2-1 to PC to debug
the board.
Figure 21. USB type B connector CN21 (Front view)
6.20 CAN D-type 9-pin male connector CN22
Figure 22. CAN D-type 9-pin male connector CN22 (Front view)
Table 33. USB type B connector CN21
Pin number Description Pin number Description
1 VBUS(power) 4 GND
2 DM 5,6 Shield
3DP --
Table 34. CAN D-type 9-pin male connector CN22
Pin number Description Pin number Description
1,4,8,9 NC 7 CANH
2 CANL 3,5,6 GND