Table 26-26: SD Get Bus Speed Task SD{0, 1}Registers Register Field Register Offset Bits Value Set block size to desired value. reg_blocksize xfer_blocksize 0x04 11:0 Block size value Set up ADMA2 descriptor table (see Table: Setup ADMA2 Descriptor Table). Set transfer mode with data direction and DMA enable. reg_transfermode xfermode_dmaenable | xfermode_dataxferdir 0x0C 4 and 1 0x11 Data cache invalidate range. Send CMD6. Check for transfer completed. reg_normalintrsts reg_errorintrsts 0x30 15 Read operation Clear the interrupts (if any). reg_normalintrsts ALL 0x30 15:0 0xF3FF Check transfer complete and clear if transfer is completed. reg_normalintrsts normalintrsts_xfercomplete 0x30 1 1b'1 Read response 0. reg_response0 command_response 0x10 15:0 Read