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SPI Flash
SPI Flash reader built from a Teensy or Arduino
Like ho.ax, I had been using a Dangerous Prototypes buspirate to read SPI flash boot ROMs, but it was too slow. I'm not sure what the root cause is of this, but to make it easier I've put a separate jumper on the power pin from the teensy to the SOIC chip. Typically I will then shell out from minicom and run pv; you could also use cat although it wouldn't give you any feedback on the transfer:
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