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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
parent 37975c186d b12c58224d
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 Please run wires between the slave and master to make the example function
(pins are the same for the host and the slave): (pins are the same for the host and the slave):
======== ========= | Signal | GPIO NUM |
Signal GPIO NUM |--------|----------|
======== ========= | CLK | GPIO-14 |
CLK GPIO14 | CMD | GPIO-15 |
CMD GPIO15 | DAT0 | GPIO-2 |
DAT0 GPIO2 | DAT1 | GPIO-4 |
DAT1 GPIO4 | DAT2 | GPIO-12 |
DAT2 GPIO12 | DAT3 | GPIO-13 |
DAT3 GPIO13 | Ground | GND |
Ground GND
======== =========
CMD and DAT0-3 lines require to be pulled up by 50KOhm resistors even in 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 1-bit mode. See *Board Compability* below for details. In 1-bit mode, the