Leds; Description; Table 12. Cn15 Microsd; Figure 11. Microsd ™ Card Connector Cn15 - ST STM32MP157C-DK2 User Manual

Table 12 describes pinout of the microSD
Pin
1
2
3
4
5
6
7
8
9
10
7.10

LEDs

7.10.1

Description

The LD2 LED turns green when the power cable is inserted in connector CN6.
Two general-purpose color LEDs (LD7 and LD8) are available as light indicators:
• The LD7 orange LED is used as STM32Cube examples verdict LED.
• The LD8 blue LED is used as Linux
®
Cortex -A.
The two user LEDs, the green LD5 and orange LD6 LEDs, are directly connected to the STM32MP157x.
UM2534 - Rev 1
Figure 11.
™
Table 12.
Pin name Signal name
DAT2 SDMMC1_D2
DAT3_CD SDMMC1_D3
CMD SDMMC1_CMD
3V3
CLK SDMMC1_CLK
VSS GND
DAT0 SDMMC1_D0
DAT1 SDMMC1_D1
GND GND
CARD_DETECT uSD_DETECT
®
Heartbeat LED, which is blinking as long as Linux
™
microSD card connector CN15
connector CN15.
™
CN15 microSD connector pinout
STM32 pin
PC10
PC11
PD2
3V3 -
PC12
-
PC8
PC9
-
PB7
UM2534
LEDs
Function
SDIO.D2
SDIO.D3
SDIO.CMD
VDD_SDCARD
SDIO.CLK
GND
SDIO.D0
SDIO.D1
GND
SDCARD_DETECT active LOW
®
is alive on the
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