CRTOUCH Datasheet, PDF (58/68 Pages) Freescale Semiconductor, Inc – Capacitive and Resistive Touch Sensing Application Specific IC.

Memory Map and Registers Description
4.2.5.13 Auto repeat rate start register
Bit
Field
7
6
5
4
3
2
AUTORPSTRT
1
0
Signal
7–0
AUTORPSTRT
Description
Auto repeat start
Sets the time a key must remain pressed before generating new events at the auto-repeat rate.
If set to 0, the auto-repeat state will be entered immediately after the last touch.
0–255 Wait n measurements before auto-repeat.
4.2.5.14 Max Touches register
This register defines the maximum number of simultaneous touched keys reported by a keypad control. This feature can be used
to control the function when a bigger than expected area is touched. For example, a multiplexed array of electrodes where only
two keys are needed to detect a value or function. In this case, the MaxTouches register is configured with a value of two.
Bit
Field
7
6
5
4
3
Reserved
2
1
0
MAXTOUCHES
Signal
7–0
MAXTOUCHES
Description
Maximum number of touches. Sets the limit for simultaneous touched keys. If set to 0, no limit
is established.
0 No limit established
1–3 Limit set to n keys.
CRTouch Data Sheet, Rev. 3
58
Freescale Semiconductor