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TMS320C6747 SD card access issue

Hi,

In a recent project we replaced the obsolete SD card with a new one and now the SD card can be accessed only in debug mode. 

I want to write the specifications of the SD cards briefly as a class under "functioning" and "non-functioning" ones

Functioning SD Card spec:

Controller : SMI Controller

Flash IC : Samsung SLC_NAND Flash IC

Non-functioning SD Card spec : 

Controller : ITE Controller

Flash IC : Toshiba SLC_NAND Flash IC

Any feedback about such an issue is appreciated.