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Touch Controllers Reference Guide26

AutoBaud Disable

Note:

MicroTouch provides this command for compatibility with older touchscreen

controllers. To ensure compatibility with all existing and future MicroTouch controllers,

do not use this command when developing your touch drivers and applications.

Syntax: <SOH>AD<CR>

Description: Turns off the automatic baud rate detection feature.

When you disable AutoBaud, the controller maintains the

communication rate currently set in non-volatile RAM (NOVRAM).

The controller continues to use this communication rate until you

change it with either the Parameter Set command or the AutoBaud

Enable command.

AutoBaud Enable is the factory default for some touchscreen

controllers. However, because this automatic feature is limited to the

communication rate, MicroTouch recommends that you issue an

AutoBaud Disable command to turn off the AutoBaud feature. After

you disable AutoBaud, send a Parameter Set command to change the

communication parameters (parity, number of data bits, number of

stop bits, and baud rate).

Response: <SOH>0<CR> Positive response.

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