UM1521
Connectors
Doc ID 022868 Rev 1
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3.6
ST-LINK/V2 programming connector CN9
Connector CN9 is used only for embedded ST-LINK/V2 programming during board
manufacture. It is not populated by default and is not for end-user use.
3.7
ST-LINK/V2 USB type B connector CN14
The USB connector CN14 is used to connect the embedded ST-LINK/V2 to a PC for
debugging the board.
Figure 13.
USB type B connector CN14 (viewed from front)
3.8
JTAG connector CN16
Figure 14.
JTAG debugging connector CN16 (viewed from above PCB)
Table 25.
USB type B connector CN14
Pin
Description
Pin
Description
1
VBUS (power)
4
GND
2
DM
5,6
Shield
3
DP
Table 26.
JTAG debugging connector CN16
Pin
Description
Pin
Description
1
VDD power
2
VDD power
3
PB4
4
GND
5
PA15
6
GND
7
PA13
8
GND
9
PA14
10
GND
11
RTCK
12
GND
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