8 Channel Capacitive Touch Sensor with 2 LED Drivers
Datasheet
Polling Cycle
(35ms)
Interrupt on
Touch
Interrupt on
Release
(optional)
Min Press Setting
(280ms)
Button Repeat Rate
(175ms)
Button Repeat Rate
(175ms)
Touch Detected
INT bit
ALERT# pin
(active low)
Button Status
Write to INT bit
Figure 4.2 Sensor Interrupt Behavior - Repeat Rate Enabled
Polling Cycle
(35ms)
Interrupt on
Touch
Interrupt on
Release
(optional)
Touch Detected
INT bit
ALERT# pin
(active low)
Button Status
Write to INT bit
Figure 4.3 Sensor Interrupt Behavior - No Repeat Rate Enabled
Revision 1.32 (01-05-12)
SMSC CAP1128
DATA3S6HEET
SMSC [ SMSC CORPORATION ]
