For SAM3A4C, the device is configured as SPI slave, it reads data from a master SPI device and DMA the data to SRAM, what is the max supported incoming SPCk frequency?
The datasheet says it is up to the SPCK pad, but the I/O has max freq on the output freq, not input.
I want to run it at 64MHZ if possible.
Discussion around product based on ARM Cortex M3 core.
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