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nanoETXexpress-SP/BIOS Operation
SDIO Configuration
Feature
Option
Description
Select SDIO or GPIO
SD Card
GPIO
The SD card interface is shared with module GPIO signals. To use GPIO with this
module it is necessary to set this switch to GPIO.
Data Access Mode
Auto
DMA
PIO
Auto: Access SD device in DMA mode if controller supports it, otherwise in PIO
mode.
DMA: Access SD device in DMA mode.
PIO: Access SD device in PIO mode.
SDIO Clock
Auto
24 MHz
Limit SDIO Clock to 24MHz. Auto setting enables 48MHz clock if supported by
the SDIO device.
The SDIO/GPIO switch is only supported on hardware revisions CE 4.x.x or newer. Modules
with revision CE 1.x.x must be reworked to enable GPIO functionality.
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Summary of Contents for nanoETXexpress-SP
Page 1: ...nanoETXexpress SP Document Revision 141 If it s embedded it s Kontron...
Page 2: ......
Page 5: ...nanoETXexpress SP User Information 8 Document Revision History 90 5...
Page 16: ...nanoETXexpress SP Specification 3 5 Block Diagram 16...
Page 59: ...nanoETXexpress SP BIOS Operation 7 3 2 Module Info Module Component Steppings 59...
Page 60: ...nanoETXexpress SP BIOS Operation Module Software Revisions Memory Module Information 60...
Page 62: ...nanoETXexpress SP BIOS Operation 7 3 3 Advanced Menu 62...
Page 81: ...nanoETXexpress SP BIOS Operation 7 3 5 Boot 81...