Hi Nimmi,
You can also find the sdhc_cdcard demo in the ~\SDK_2.0_FRDM-K64F\SDK_2.0_FRDM-K64F\boards\frdmk64f\driver_examples after you install the KSDK 2.0.
Please go to download the KSDK 2.0 through the link as below.
Software Development Kit for Kinetis MCUs|NXP
Hope it helps.
Have a great day,
Ping
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