Both eSDHC interface configure with LS1012A

[nilavchoksi]

Hi NXP Team,

We are designing LS1012A based custom board and we want to configure both SDHC interface.

SDHC-1 is using for SD Card support and SDHC2 want to use for Wi-Fi module (Murata - 1DX WiFi module with SDIO interface). 

So, Does SDHC2 support SDIO for Wi-Fi module interface?

We have seen in LS1012ARM Reference manual that it only supports eSDIO interface.

Please confirm and clear doubt for SDIO2 interface.

[r8070z]

Have a great day,

Both SDHC1 and SDHC2 are compatible with the SDIO card specification version 3.0. But SDHC2 support only 1.8V interface. Also there is no card detect pin for SDHC2 interface since only embedded devices are supported (eSDIO, eMMC). Software needs to assume card is always present.

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[nilavchoksi]

Hi Serguei Podiatchev,

Thank you for clear this doubt and I need to use 1.8V GPIO support Wi-Fi module so that it will work.