11. Sdio_emmc_multiblk_cpu

11.1. Function description:

The demo is that SDIOn writes data to EMMC and then reads data from it via cpu 1/4/8-line mode.

11.2. Test result:

If the data of SDIOn received is equal to SDIOn transmitted, print the corresponding correct string, if not print the fail one.

11.3. IO connection:

PAD

PAD

pad_sdion_sdclk

emmc_clk

pad_sdion_sdcmd

emmc_cmd

pad_sdion_sddat0

emmc_dat0

pad_sdion_sddat1

emmc_dat1

pad_sdion_sddat2

emmc_dat2

pad_sdion_sddat3

emmc_dat3

pad_sdion_sddat4

emmc_dat4

pad_sdion_sddat5

emmc_dat5

pad_sdion_sddat6

emmc_dat6

pad_sdion_sddat7

emmc_dat7

Note

  • The ‘n’ in “sdion” indicate the peripheral number.

  • 1/4/8 line and cpu/dma mode is configurable.

  • The data of transmitting is multiple blocks(n*512bytes).