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Diffstat (limited to 'sdcard/spi_mode/cmds/README')
| -rw-r--r-- | sdcard/spi_mode/cmds/README | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/sdcard/spi_mode/cmds/README b/sdcard/spi_mode/cmds/README new file mode 100644 index 0000000..4f10892 --- /dev/null +++ b/sdcard/spi_mode/cmds/README @@ -0,0 +1,25 @@ +------------------------------------------------------------------------------- +SD card / SPI-mode / Commands +------------------------------------------------------------------------------- + +This is a set of example captures of individual SD card commands in SPI-mode. + + +Logic analyzer setup +-------------------- + +The logic analyzer used was an FX2-based device (at 24MHz): + + Probe SD card + ------------------- + 0 MOSI + 1 MISO + 2 CLK + 3 CS# + + +cmd17.sr +-------- + +This file contains a CMD17 (READ_SINGLE_BLOCK) sequence, reading 512 bytes +from address 0x000f. The first few bytes of the data are "sigrok rocks". |