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Last updated: 27 Aug 2020
The Freedom-K64F is an ultra-low-cost development platform for Kinetis K64, K63, and K24 MCUs.
4-bit SDIO for microSD on K64F?
Topic last updated 21 Apr 2016, by 
tom dunigan.
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tom dunigan.
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Has anyone developed an SDHC driver for the K64F SDHC controller that utilizes the 4-bit parallel, FIFO, DMA for the microSD peripheral. Current mbed core uses SPI1 to talk to the microSD.