Arindam/Philips, Can you help me with below query? Regards, Subhash > -----Original Message----- > From: linux-mmc-owner@xxxxxxxxxxxxxxx [mailto:linux-mmc- > owner@xxxxxxxxxxxxxxx] On Behalf Of Subhash Jadavani > Sent: Thursday, July 14, 2011 5:09 PM > To: linux-mmc@xxxxxxxxxxxxxxx; prakity@xxxxxxxxxxx; > arindam.nath@xxxxxxx > Subject: Question regarding SDR104 bus speed mode > > Hi Arindam, Philips and All, > > According to SD 3.0 spec (section 3.9.6), cards may require current > upto > 800 mA while running in SDR104. However Max. supported current from > PMIC > regulator connected to sd card slot on my board is 600mA. > > I have these questions: > 1. So does this mean we can't support the SDR104 mode if regulator > current > driving capacity is not upto 800 mA? > > 2. I am able to make SD card run in SDR104 mode even if the max. > current > supplied by regulator is upto 600 mA. So is this 800mA requirement is > **must** condition to support SDR104 mode reliably? > > Regards, > Subhash > > -- > Sent by a consultant of the Qualcomm Innovation Center, Inc. > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora > Forum. > > -- > To unsubscribe from this list: send the line "unsubscribe linux-mmc" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
