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Merge branch 'feature/sdio_example_gpio_doc' into 'master'

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Enhanced readability in README.md (port from Github PR)

See merge request idf/esp-idf!3883
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Ivan Grokhotkov 2018-12-05 13:46:33 +08:00
commit e92e028679
1 changed files with 9 additions and 11 deletions
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20
examples/peripherals/sdio/README.md
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@ -25,17 +25,15 @@ is okay in 1-bit mode to leave DAT3 of host disconnected.
Please run wires between the slave and master to make the example function
(pins are the same for the host and the slave):
======== =========
Signal GPIO NUM
======== =========
CLK GPIO14
CMD GPIO15
DAT0 GPIO2
DAT1 GPIO4
DAT2 GPIO12
DAT3 GPIO13
Ground GND
======== =========
| Signal | GPIO NUM |
|--------|----------|
| CLK | GPIO-14 |
| CMD | GPIO-15 |
| DAT0 | GPIO-2 |
| DAT1 | GPIO-4 |
| DAT2 | GPIO-12 |
| DAT3 | GPIO-13 |
| Ground | GND |
CMD and DAT0-3 lines require to be pulled up by 50KOhm resistors even in
1-bit mode. See *Board Compability* below for details. In 1-bit mode, the