1015-MicroSD/SD卡接口電平3.3V/1.8V 區別，走線

https://www.myoschain.com/blog/132624786906939392 https://www.sdcard.org/chs/developers/overview/index.html https://www.sdcard.org/chs/consumers/choices/low_voltage_signaling/index.html https://baike.

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