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Is the BOOTSEL pin on the TF30 active high or low ?

April 26, 2017active high low Pin tf30

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Is the BOOTSEL pin on the TF30 active high or low ?

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For normal operation this pin should be in a low state, with the high state enabling an external boot for the software upgrade process. The pin has an internal pull-down resistor so it may be left disconnected for normal operation. For programming it should be tied to 3.3V via a 20K resistor.