6 Channel Capacitive Touch Sensor with 6 LED Drivers
Datasheet
Table 5.1 Register Set in Hexadecimal Order (continued)
REGISTER
ADDRESS
DEFAULT
VALUE
R/W
REGISTER NAME
FUNCTION
PAGE
Determines the number of
simultaneous touches to flag a
multiple touch condition
Multiple Press
Configuration
2Ah
2Fh
30h
R/W
80h
8Bh
40h
Page 45
Recalibration
Configuration
Determines re-calibration timing and
sampling window
R/W
R/W
Page 46
Page 47
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
Stores the delta count threshold to
determine a touch for Capacitive
Touch Sensor 2
31h
32h
33h
34h
35h
R/W
R/W
R/W
R/W
R/W
40h
40h
40h
40h
40h
Page 47
Page 47
Page 47
Page 47
Page 47
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
Sensor Noise
Threshold 1
Stores controls for selecting the
noise threshold for sensors 1 - 4
38h
39h
R/W
R/W
55h
55h
Page 48
Page 48
Sensor Noise
Threshold 2
Stores controls for selecting the
noise threshold for sensors 5 - 6
Standby Configuration Registers
Controls which sensors are enabled
while in standby
40h
41h
42h
43h
50h
51h
52h
53h
R/W
R/W
R/W
R/W
R
Standby Channel
Standby Configuration
Standby Sensitivity
00h
1Dh
02h
40h
C8h
C8h
C8h
C8h
Page 49
Page 49
Page 51
Page 51
Page 52
Page 52
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
Standby Threshold
Stores the reference count value for
sensor 1
Sensor 1 Base Count
Sensor 2 Base Count
Sensor 3 Base Count
Sensor 4 Base Count
Stores the reference count value for
sensor 2
R
Stores the reference count value for
sensor 3
R
Stores the reference count value for
sensor 4
R
SMSC CAP1066
Revision 1.1 (08-05-09)
DATA3S3HEET