CRTOUCH Datasheet, PDF (56/68 Pages) Freescale Semiconductor, Inc – Capacitive and Resistive Touch Sensing Application Specific IC.

Memory Map and Registers Description
Signal
7-5
Reserved
4
RELEN
3
AUTOREPEN
2
HLDEN
1
MOVEN
0
TOUCHEN
Keypad Events
Reserved
Description
Release Event Enabler
If this bit is set, the Capacitive Event bit in the Status Register 2 is set when all the electrodes
in the control are released.
1 Event enabled
0 Event disabled
Auto Repeat Enable
If this bit is set, the Capacitive Event bit in the Status Register 2 will be set at the rate defined
by the Auto Repeat Rate register when the same electrode remains touched.
1 Auto-repeat enabled
0 Auto-repeat disabled
Hold event enabler
If this bit is set, the Capacitive Event bit in the Status Register 2 will be set when an electrode
is first touched and remains touched for the period of time defined by the Auto Repeat Start
register. The hold event is produced only once, and auto repeat events may be produced after.
1 Hold event enabled
0 Hold event disabled
Movement event enabler
If this bit is set, the Capacitive Event bit in the Status Register 2 will be set when a transition
from one position to another is detected.
1 Movement event enabled
0 Movement event disabled
Touch event enabler
If this bit is set, the Capacitive Event bit in the Status Register 2 will be set when all electrodes
are released and an initial touch is detected in any of the electrodes.
1 Touch event enabled
0 Touch event disabled
Bit
Field
7
6
5
4
MAXKEYS BUFFOV Reserved KEYEXEN
3
BUFFOVEN
2
AUTOREPEN
1
RELEN
0
TOUCHEN
CRTouch Data Sheet, Rev. 3
56
Freescale Semiconductor