DocID025151 Rev 2
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UM1668
Connectors
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3.19
ST-LINK/V2 USB Type B connector CN21
USB connector CN21 connects the embedded ST-LINK/V2 to PC for board debugging.
Figure 21. USB type B connector CN21 (front view)
3.20
CAN D-type 9-pin male connector CN22
Figure 22. CAN D-type 9-pin male connector CN22 (front view)
3.21
Audio jack CN23
A 3.5 mm stereo audio jack CN23 is available on the STM32439I-EVAL evaluation board to
support a headset (headphone & microphone integrated).
Table 32. USB type B connector CN21
Pin number
Description
Pin number
Description
1
VBUS (power)
4
GND
2
DM
5,6
Shield
3
DP
-
-
069
Table 33. 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
069
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