Multiple Channel Capacitive Touch Sensor and LED Driver
Datasheet
PollingCycle
(35ms)
Maximum Slide (768ms)
Touch Detected –
CS14
Touch Detected –
CS13
Normal Slide – no change
in repeat rate
Touch Detected -
CS12
Touch Detected -
CS11
Minor Acceleration -
Repeat Rate reduced
70ms
Touch Detected –
CS10
Touch Detected –
CS9
Slide Ended (525ms) = 0.68 x
Max – Generate 2 extra
interrupts at 35ms apart
Major Acceleration -
Repeat Rate reduced
35ms
Touch Detected –
CS8
35ms
Repeat Rate (base
= 140ms)
140ms
70ms
ALERT Pin /
INTbit
SMBus Write to
INTbit
Figure 4.7 Slide Interrupt Behavior - Acceleration Example
Revision 1.65 (08-11-09)
SMSC CAP1014
DATA2S8HEET
SMSC [ SMSC CORPORATION ]
