5 and 6 Channel Capacitive Touch Sensor
Datasheet
Polling Cycle
(35ms)
Interrupt on
Touch
Interrupt on
Release
Button Repeat Rate
(175ms)
Button Repeat Rate
(175ms)
Button Repeat Rate
(175ms)
Touch Detected
ALERT Pin / INT bit
Button Status
SMBus Write to INT bit
Figure 4.3 Sensor Interrupt Behavior - Repeat Rate Enabled
APPLICATION NOTE: The host may need to poll the device twice to determine that a release has been detected.
Polling Cycle
(35ms)
Interrupt on
Touch
Interrupt on
Release
Touch Detected
ALERT Pin /
INT bit
Button Status
SMBus Write to
INT bit
Figure 4.4 Sensor Interrupt Behavior - No Repeat Rate Enabled
Revision 1.1 (08-05-09)
SMSC CAP1005 / CAP1006
DATA2S6HEET
SMSC [ SMSC CORPORATION ]
