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Title: two grounds for sd card... Post by: raja1982y on November 27, 2007, 09:16:38 09:16 I have attended a seminar once on SD card controller. The card has two grounds "vss1 and vss2" and one voltage source "vdd". what advantage one gets with two grounds?
-raja Title: Re: two grounds for sd card... Post by: uppic on November 27, 2007, 02:13:59 14:13 "vss1 and vss2" are the same greetings
Title: Re: two grounds for sd card... Post by: Trishool on November 29, 2007, 09:15:07 09:15 I have attended a seminar once on SD card controller. The card has two grounds "vss1 and vss2" and one voltage source "vdd". what advantage one gets with two grounds? -raja Raja , Vss means 0V , Vss1 should be for connecting to earth ground , and Vss2 for connecting the GND. Hope this helps Ts |