Leds; Description; Table 10. Cn3 Microsd; Figure 8. Microsd ™ Card Connector Cn3 - ST STM32MP135F-DK User Manual

Figure 8 shows the pinout of the microSD
Table 10 describes the pinout of the microSD
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
7.11

LEDs

7.11.1

Description

The LD1 LED turns green when the power cable is inserted in connector CN12.
Two general-purpose LED color LEDs (LD3 and LD6) are available as light indicators:
• The LD3 blue LED is used as Linux
®
Cortex
• The LD6 orange LED is used as STM32Cube examples verdict LED.
The two indicator LEDs, the red LD4 and green LD7 LEDs, are respectively connected to the STM32MP135 MPU
and to the MCP series I/O expander.
UM2993 - Rev 2
™
Figure 8.
Table 10. CN3 microSD
Pin name Signal name
DAT2 SDMMC1_D2
DAT3_CD SDMMC1_D3
CMD SDMMC1_CMD
VDD VDD_SD
CLK SDMMC1_CLK
VSS
DAT0 SDMMC1_D0
DAT1 SDMMC_D1
CARD_DETECT μSD_DETECT
GND
GND
GND
NC
®
-A.
card connector CN3.
™
microSD card connector CN3
™
card connector CN3.
™
card connector pinout
STM32 pin
PC10
PC11
PD2
-
PC12
GND -
PC8
PC9
PH4
GND -
GND -
GND -
NC NC
Heartbeat LED, which is blinking as long as Linux
UM2993
LEDs
Function
SDIO.D2
SDIO.D3
SDIO.CMD
VDD_SDCARD
SDIO.CLK
GND
SDIO.D0
SDIO.D1
μSD_DETECT active low
GND
GND
GND
NC
®
is alive on the
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