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3M™ MicroTouch™ Controller EX Dual Mode Reference Guide
I and Q are complex touch currents as measured in phase and 90 degrees out of phase
with the corner drive signal. Refer to the following table for I/Q Corner Components.
To use the Format Raw command, the controller and host system must be in an 8-bit data
communication mode. The Format Raw command returns a negative response if the
controller is not using an 8-bit communication mode.
To terminate Format Raw, issue a Reset command. The controller may return several
bytes of data between the time you issue a Reset command and the controller receives it.
You can either scan the data stream for the Reset acknowledgment, or you can ignore the
response to the first Reset command and then issue a second Reset after approximately 10
seconds has passed.
Use the Format Raw command for diagnostics. Use Format Tablet for standard sensor
operation.
Response:
<SOH>0<CR>
After the controller is in Format Raw mode, the controller returns a continuous response
in the following format:
<41-byte-packet><41-byte-packet>...<41-byte-packet>...
Positive response.
3M Touch Systems, Inc. Proprietary Information – TSD-40848A
37
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