UM2403 Rev 1
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UM2403
Connectors
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9.1.5 ST-LINK/V2-1
programming connector CN7
The connector CN7 is used only for embedded ST-LINK/V2-1 programming during board
manufacturing. It is not populated by default and not for end user.
9.1.6
microSD connector CN8
Figure 13. microSD connector CN8 (front view)
9.1.7
Extension connector CN9 and CN10
Two 22-pin male headers CN9 and CN10 can be used to connect with daughterboard or
standard wrapping board to STM32G081B-EVAL Evaluation board. The standard width
between CN9 pin1 and CN10 pin1 is 2700mils (68.58mm). The standard was implemented
on the majority of Evaluation boards.
Each pin on CN9 and CN10 can be used by a daughterboard after disconnecting it from the
corresponding function block on STM32G081B-EVAL Evaluation board. Please refer to
for detail.
Table 24. microSD connector CN9
Pin number
Description
Pin
number
Description
1
NC
5
MicroSDcard_CLK (PB3)
2
MicroSDcard_CS (PD1)
6
Vss/GND
3
MicroSDcard_DIN(PA7)
7
MicroSDcard_DOUT(PB4)
4
+3V3
8
NC
-
-
10
MicroSDcard_detect (PC9)
