Posted on September 25, 2005 at 11:10http://www.sandisk.com/pdf/oem/SD_SDIO_specsv1.pdf as you can see the transfer is using 4 bits. mmc is with 1 bit interface. maybe sd works with one bit too. You would first see how you make it work with sd, file...
Posted on September 25, 2005 at 10:25Yes there is an explanation to that. They use only a diode for voltage regulation. 3,3v-0.6v=2,7v So the adc overflows. Above 2,5v instead of seeing ffffffff you see 00000000 because it overflows on the bit sign....
Posted on September 25, 2005 at 10:21I had the same problem. You need to check with a scope what are the signal levels on D+ and D- of usb. if they are both one you have the same problem that i had. I changed from the 0ohm rezistors on all the usb p...
Posted on September 13, 2005 at 11:18search some more, there is a recent link on this forum for bulk transfers. You cannot simply put data back using that code. You have to keep in mind in a variable that you need to send data and send it later. I h...
Posted on September 13, 2005 at 11:13take care that you put the right value in rccu.h // Main Oscillator Frequency value = 4 Mhz #define RCCU_Main_Osc 16000000 Apart from that there is nothing you can do... it should just work. On my MB393-2.04 I ha...