CRTOUCH Datasheet, PDF (39/68 Pages) Freescale Semiconductor, Inc – Capacitive and Resistive Touch Sensing Application Specific IC.

Memory Map and Registers Description
Signal
Description
7
Reserved
Reserved
6
Reserved
Reserved
5
FIFO Watermark Flag indicates when the FIFO counter is greater than or equal to the value
FIFOWMRKF configured in the WaterMark bits of the FIFO Configuration register.
4-0
FIFO sample counter, default value 00000. (00001 to 11111 indicates 1 to 31 samples stored
FIFOCNT in FIFO)
4.2.1.8 FIFO X coordinate
Bit
Field
15 14 13 12 11
10
FIFOXMSB
9 8 76543 2 10
FIFOXLSB
Signal
Description
15-8
FIFOXMSB
7-0
FIFOXLSB
Most significant Byte for X coordinate stored in the FIFO
Least significant Byte for X coordinate stored in the FIFO
4.2.1.9 FIFO Y coordinate
Bit
Field
15 14 13 12 11
10
FIFOYMSB
9 8 76543 2 10
FIFOYLSB
Signal
Description
15-8
FIFOYMSB
7-0
FIFOYLSB
Most significant Byte for Y coordinate stored in the FIFO
Least significant Byte for Y coordinate stored in the FIFO
4.2.1.10 FIFO Pressure Value
Bit
Field
15 14 13 12 11
10
FIFOPMSB
9 8 76543 2 10
FIFOPLSB
CRTouch Data Sheet, Rev. 3
Freescale Semiconductor
39