Kontron COMe-mTT10 Manual do Utilizador Página 75

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COMe-mTT10 / BIOS Operation
SDIO Configuration
Feature Options Description
SDIO Access Mode
Auto
DMA
PIO
Auto Option: Access SD device in DMA mode if controller
supports it, otherwise in PIO mode. DMA Option: Access
SD device in DMA mode, PIO Option: Access SD device in
PIO mode
External SDIO
Disabled
Enabled
Enable/Disable external SDIO slot on Acrrier board. If
disabled, the SDIO pins for this Slot will be used as
GPIOs
Ext. SDIO Clock
25MHz
12.5MHz
6.25MHz
Select the maximum allowable speed for the slot. Actual
speed may be lower depending on controller
capabilities
Onboard SDIO Clock
25MHz
12.5MHz
6.25MHz
Select the maximum allowable speed for the slot. Actual
speed may be lower depending on controller
capabilities
PowerOn Delay 10
50ms
200ms
500ms
1s
Select SDIO PowerOn Delay
75
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