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Merge branch 'feature/emmc_doc_ut_4bit_sdr' into 'master'

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sdmmc_host: add unit tests and improve documents about using eMMC in 4-line SDR mode

See merge request espressif/esp-idf!13334
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Michael (XIAO Xufeng)
2021-05-02 13:58:13 +00:00
parent b455299bb0 cfa4beb661
commit 1f95403596
2 changed files with 9 additions and 3 deletions
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docs/en/api-reference/peripherals/sdmmc_host.rst
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@@ -51,8 +51,8 @@ Supported Speed Modes
SDMMC Host driver supports the following speed modes:
- Default Speed (20 MHz), 4-line/1-line (with SD cards), and 8-line (with 3.3 V eMMC)
- High Speed (40 MHz), 4-line/1-line (with SD cards), and 8-line (with 3.3 V eMMC)
- Default Speed (20 MHz), 1/4-line (with SD cards), and 1/4/8-line (with 3.3 V eMMC)
- High Speed (40 MHz), 1/4-line (with SD cards), and 1/4/8-line (with 3.3 V eMMC)
- High Speed DDR (40 MHz), 4-line (with 3.3 V eMMC)
Speed modes not supported at present: