Connect Tech - COM Express Type-6 PMC/XMC Carrier Board - User Manual
Revision 0.03
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SD Card
The
COM Express Type-6 PMC/XMC Carrier
provides a Micro SD Card Slot at P4. This Micro SD Card
slot sources the SDIO interface from the COM Express modules GPIO pins.
** Note this SD card slot will ONLY operate if the COM Express module provides the SDIO interface over
the GPIO pins. See below for the SDIO / GPIO mapping **
SD Card Jumpers
J9
– Will enable/disable SDIO / GPIO Functionality.
(JUMPER ON= SD Enabled, JUMPER OFF = GPIO)
J10 – Will enable/disable Write Protect on the SD Card
(JUMPER ON= Write Protect Enabled, JUMPER OFF = Write Protect Disabled)
Micro SD Card Connector
Function Micro SD Card Slot
Locations
P4
Part Number: 502570-0893
Type
Micro SD Card Socket
Pinout
Pin
SDIO Signal
COM Express
GPIO Mapping
1
SD_D2
GPI2
2
SD_D3
GPI3
3
SD_CMD
GPO1
4
SD_VCC (+3.3V)
-
5
SD_CLK
GPO0
6
GND
-
7
SD_D0
GPI0
8
SD_D1
GPI1
9
GND
-
10
SD_CD#
GP03