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Connectors
Pin number
1
2
3
4
5
Note:
GPIOx are I/O expander (U16) signals.
3.16
Power connector CN18
The STM32439I-EVAL evaluation board can be powered from a DC 5 V power supply via
the external power supply jack (CN18) shown in
positive.
3.17
ST-LINK/V2 programming connector CN19
The connector CN19 is used only for embedded ST-LINK/V2 programming during board
manufacture. It is not populated by default and not for end-user usage.
3.18
TFT LCD connector CN20
A TFT color LCD board is mounted on CN20. Refer to
40/70
Table 31. MicroSD connector CN17
Description
SDIO_D2(PC10)
SDIO_D3(PC11)
SDIO_CMD(PD2)
+3.3V
SDIO_CLK(PC12)
Figure 20. Power supply connector CN18
DocID025151 Rev 2
Pin number
Description
6
Vss/GND
7
SDIO_D0(PC8)
8
SDIO_D1(PC9)
9
GND
10
MicroSDcard_detect (GPIO15)
Figure
20. The central pin of CN18 must be
Section 2.18
UM1668
for detail.
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