CRTOUCH Datasheet, PDF (37/68 Pages) Freescale Semiconductor, Inc – Capacitive and Resistive Touch Sensing Application Specific IC.

4.2.1.3 Resistive Touch Status Register 2
Memory Map and Registers Description
Bit
Field
7
RTSCAL
6
Reserved
5
RTSZD
4
RTSRD
3
2
RTSSD
1
0
RTSD
Field
Description
7
RTSCAL
Resistive Touch screen calibrated is set after the screen has been properly calibrated. After initial calibration the
result is stored in the internal non-volatile memory and is recovered after automatically reset.
0 Resistive touch screen not calibrated
1 Resistive touch screen calibrated
6
This bit is reserved
Reserved
5
Zoom direction
RTSZD 0 Zoom in
1 Zoom out
4
Resistive Touch Screen Rotate Direction.
RTSRD 0 Clock wise direction
1 Counter clock wise direction
3-2 Resistive Touch Screen Slide Direction indicates the direction of the slide gesture after its detection.
RTSSD
0 0 Horizontal positive direction
0 1 Horizontal negative direction
1 0 Vertical positive direction
1 1 Vertical negative direction
1-0 Resistive Touch Screen type detected. After reset, the system scans for the type of resistive touch screen
RTSTD connected to the system. The RTSD bits indicate the type of screen detected.
0 0 Resistive touch not detected
0 1 4 wires resistive touch screen detected
1 0 5 wires resistive touch screen detected
1 1 Reserved
4.2.1.4 X coordinate
Bit
Field
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
XMSB
XLSB
CRTouch Data Sheet, Rev. 3
Freescale Semiconductor
37