8 Channel Capacitive Touch Sensor with 8 LED Drivers
Datasheet
Table 5.1 Register Set in Hexadecimal Order (continued)
REGISTER
ADDRESS
DEFAULT
VALUE
R/W
REGISTER NAME
FUNCTION
PAGE
Enables repeat rate for Capacative
Touch Sensors
28h
2Ah
2Fh
30h
R/W
Repeat Rate Enable
FFh
80h
8Bh
40h
Page 45
Determines the number of
simultaneous touches to flag a
multiple touch condition
Multiple Press
Configuration
R/W
R/W
R/W
Page 46
Page 47
Page 48
Recalibration
Configuration
Determines re-calibration timing and
sampling window
Stores the delta count threshold to
determine a touch for Capacitive
Touch Sensor 1
Sensor 1 Threshold
Sensor 2 Threshold
Sensor 3 Threshold
Sensor 4 Threshold
Sensor 5 Threshold
Sensor 6 Threshold
Sensor 7 Threshold
Sensor 8 Threshold
Stores the delta count threshold to
determine a touch for Capacitive
Touch Sensor 2
31h
32h
33h
34h
35h
36h
37h
R/W
R/W
R/W
R/W
R/W
R/W
R/W
40h
40h
40h
40h
40h
40h
40h
Page 48
Page 48
Page 48
Page 48
Page 48
Page 48
Page 48
Stores the delta count threshold to
determine a touch for Capacitive
Touch Sensor 3
Stores the delta count threshold to
determine a touch for Capacitive
Touch Sensor 4
Stores the delta count threshold to
determine a touch for Capacitive
Touch Sensor 5
Stores the delta count threshold to
determine a touch for Capacitive
Touch Sensor 6
Stores the delta count threshold to
determine a touch for Capacitive
Touch Sensor 7
Stores the delta count threshold to
determine a touch for Capacitive
Touch Sensor 8
Sensor Noise
Threshold 1
Stores controls for selecting the
noise threshold for sensors 1 - 4
38h
39h
R/W
R/W
55h
55h
Page 49
Page 49
Sensor Noise
Threshold 2
Stores controls for selecting the
noise threshold for sensors 5 - 8
Standby Configuration Registers
Controls which sensors are enabled
while in standby
40h
41h
42h
43h
R/W
R/W
R/W
R/W
Standby Channel
Standby Configuration
Standby Sensitivity
Standby Threshold
00h
1Dh
02h
40h
Page 50
Page 50
Page 52
Page 52
Controls averaging and cycle time
while in standby
Controls sensitivity settings used
while in standby
Stores the touch detection threshold
for active sensors in standby
SMSC CAP1088
Revision 1.1 (08-05-09)
DATA3S3HEET
SMSC [ SMSC CORPORATION ]
