Setup (MD) Button (Line)

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Tibbo boards and external controllers (such as the EM2001 and DS1101) have a button called "setup" or "MD" button ("MD" abbreviation stands for "mode"). Tibbo modules (such as the EM2000) have an MD pin (line).

 

The setup button (line) has three functions:

When a Tibbo BASIC application is running, it can use the button for its own purposes (see the button. object).

When the device is password-protected, keeping the button pressed (line pulled LOW) while accessing the device from TIDE allows bypassing the password. This is the way to reset the password on the device.

When the device is powered up (exits from the hardware reset) with the button pressed (line pulled LOW), it boots into the Monitor/Loader and enters a firmware update mode.