Code: Select all
sd = SDCard(slot = 2, sck = Pin(18), miso = Pin(19), mosi = Pin(23), cs = Pin(15), freq = 20000000)
20MHz
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sd = SDCard(slot = 2, sck = Pin(18), miso = Pin(19), mosi = Pin(23), cs = Pin(15), freq = 40000000)
40MHz
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sd = SDCard(slot = 2, sck = Pin(18), miso = Pin(19), mosi = Pin(23), cs = Pin(15), freq = 10000000)
400KHz
Code: Select all
sd = SDCard(slot = 2, sck = Pin(18), miso = Pin(19), mosi = Pin(23), cs = Pin(15), freq = 1000000)
It seems all value specific will configure SPI-SCK to 400KHz except 20MHz and 40MHz, which frequency value available except above?400KHz