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Commit | Line | Data |
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79002a41 UH |
1 | ------------------------------------------------------------------------------- |
2 | SD card / SPI-mode / Commands | |
3 | ------------------------------------------------------------------------------- | |
4 | ||
5 | This is a set of example captures of individual SD card commands in SPI-mode. | |
6 | ||
7 | ||
8 | Logic analyzer setup | |
9 | -------------------- | |
10 | ||
11 | The logic analyzer used was an FX2-based device (at 24MHz): | |
12 | ||
13 | Probe SD card | |
14 | ------------------- | |
15 | 0 MOSI | |
16 | 1 MISO | |
17 | 2 CLK | |
18 | 3 CS# | |
19 | ||
20 | ||
21 | cmd17.sr | |
22 | -------- | |
23 | ||
24 | This file contains a CMD17 (READ_SINGLE_BLOCK) sequence, reading 512 bytes | |
25 | from address 0x000f. The first few bytes of the data are "sigrok rocks". |