beautypg.com

Kontron COMe Ref.Carrier-i T10 User Manual

Page 24

background image

COMe Reference Carrier-i Type 10

/ Connectors and Features



21

GPIO J38 PIN

Description

GPIO J38 Pin

Description

1

VCC 3.3V

2

GPO0 / SD_CLK

3

GPI0 / SD_DATA0

4

GPO1 / SD_CMD

5

GPI1 / SD_DATA1

6

GPO2 / SD_WP

7

GPI2 / SD_DATA2

8

GPO3 / SD_CD#

9

GPI3 / SD_DATA3

10

GND

Note:

The switching circuitry which selects GPIO or SDIO interface may influence the signal quality of SDIO which
results in detection or boot issues with some fast SD/SDHC cards. Therefore it's recommended to reduce
SDIO interface speed to 24MHz in module's BIOS if supported