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Interesting. What is the maximum SPI data rate you achieved with PIO?


"These chips have been tested as stable up to an RP2040 clock speed of 280MHz, creating an effecitve SPI clock speed of 140MHz.", [0]

For SPI that should mean a data rate of 140MBit/s, right?

[0] https://github.com/polpo/rp2040-psram




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