This is depend on your eMMC chip ,eMMC spec defines 2 types called either High voltage or Dual Voltage
As I understand , on am335x , Just use 3.3v io 2014/1/16 Satz Klauer <[email protected]> > Hi, > > I try to access the eMMC out of an own bare-metal application, > unfortunately with no success until now. > > One of the parameters that has to be set in CPU is the bus-voltage the > eMMC has to be accessed with. For external SD-card (MMC0) > HS_MMCSD_SUPPORT_VOLT_1P8 and HS_MMCSD_SUPPORT_VOLT_3P0 are given. But > what is the correct value for eMMC (MMC1)? > > Thanks! > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
