ST STM32F746G-DISCO - Figure 18. Microsd Connector CN3 (Front View); Figure 19. USB Type B Connector CN14 (Front View); Microsd Connector CN3; ST-LINK;V2-1 USB Type B Connector CN14

Connectors UM1907
24/49 DocID027942 Rev 3
7.7 microSD connector CN3
Figure 18. microSD connector CN3 (front view)
7.8 ST-LINK/V2-1 USB type B connector CN14
The USB connector CN21 is used to connect the embedded ST-LINK/V2-1 to the PC for
programming and debugging of the STM32F746NGH6 microncontroller.
Figure 19. USB type B connector CN14 (front view)
Table 7. microSD connector CN3
Pin number Description Pin number Description
1 SDMMC_D2 (PC10) 6 Vss/GND
2 SDMMC_D3 (PC11) 7 SDMMC_D0 (PC8)
3 SDMMC_CMD (PD2) 8 SDMMC_D1 (PC9)
4 +3.3V 9 GND
5 SDMMC_CK (PC12) 10 MicroSDcard_detect (PC13)