CRTOUCH Datasheet, PDF (38/68 Pages) Freescale Semiconductor, Inc – Capacitive and Resistive Touch Sensing Application Specific IC.

Memory Map and Registers Description
Signal
Description
15-8
XMSB
7-0
XLSB
Most significant Byte for X coordinate
Least significant Byte for X coordinate
4.2.1.5 Y coordinate
Bit
Field
15 14 13 12 11
10
YMSB
9 8 76543 2 10
YLSB
Signal
Description
15-8
YMSB
7-0
YLSB
Most significant Byte forY coordinate
Least significant Byte for Y coordinate
4.2.1.6 Pressure value
Bit
Field
15 14 13 12 11
10
PRESSMSB
9 8 76543 2 10
PRESSLSB
Signal
Description
15-8
Most significant Byte for Pressure detected when touching the screen
PRESSMSB
7-0
Least significant Byte for Pressure detected when touching the screen
PRESSLSB
4.2.1.7 Resistive Touch FIFO status
Bit
7
6
5
4
3
2
1
0
Field
Reserved
Reserved
FIFOWMRKF FIFOWMRKF
FIFOCNT
CRTouch Data Sheet, Rev. 3
38
Freescale Semiconductor