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UM1855
Connectors
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3.5
ST-LINK/V2-1 programming connector CN16
The connector CN16 is used only for embedded ST-LINK/V2-1 programming, during board
manufacture. It is not populated by default and not for use by the end user.
3.6
ST-LINK/V2-1 Standard-B USB connector CN17
The USB connector CN17 is used to connect the on-board ST-LINK/V2-1 facility to PC for
flashing and debugging software.
Figure 22. USB type B connector CN17 (front view)
26
GND
-
-
28
PF7
SAI1_MCKB
Remove R106
30
PF8
SAI1_SCKB
Remove R89
32
RESET#
-
-
34
PH0
OSCIN
Remove crystal X2, C54, close SB24
36
PC3
VLCD
Remove R94
38
PA4
ADC_DAC
Remove R73
40
VDD
-
-
Table 35. Daughterboard extension connector CN7 (continued)
Pin Description
Alternative
Functions
How to disconnect Alternative functions to
use on the extension connector