Datasheet
8 Channel Capacitive Touch Sensor with 8 LED Drivers
Datasheet
SMSC CAP1188 39 Revision 1.32 (01-05-12)
DATASHEET
Standby Configuration Registers
40h R/W Standby Channel
Controls which sensor inputs are
enabled while in standby
00h Page 61
41h R/W Standby Configuration
Controls averaging and cycle time
while in standby
39h Page 62
42h R/W Standby Sensitivity
Controls sensitivity settings used
while in standby
02h Page 63
43h R/W Standby Threshold
Stores the touch detection threshold
for active sensor inputs in standby
40h Page 64
44h R/W Configuration 2
Stores additional configuration
controls for the device
40h Page 47
Base Count Registers
50h R
Sensor Input 1 Base
Count
Stores the reference count value for
sensor input 1
C8h Page 65
51h R
Sensor Input 2 Base
Count
Stores the reference count value for
sensor input 2
C8h Page 65
52h R
Sensor Input 3 Base
Count
Stores the reference count value for
sensor input 3
C8h Page 65
53h R
Sensor Input 4 Base
Count
Stores the reference count value for
sensor input 4
C8h Page 65
54h R
Sensor Input 5 Base
Count
Stores the reference count value for
sensor input 5
C8h Page 65
55h R
Sensor Input 6 Base
Count
Stores the reference count value for
sensor input 6
C8h Page 65
56h R
Sensor Input 7 Base
Count
Stores the reference count value for
sensor input 7
C8h Page 65
57h R
Sensor Input 8 Base
Count
Stores the reference count value for
sensor input 8
C8h Page 65
LED Controls
71h R/W LED Output Type
Controls the output type for the LED
outputs
00h Page 65
72h R/W
Sensor Input LED
Linking
Controls linking of sensor inputs to
LED channels
00h Page 66
73h R/W LED Polarity Controls the output polarity of LEDs 00h Page 67
74h R/W LED Output Control Controls the output state of the LEDs 00h Page 68
77h R/W
LED Linked Transition
Control
Controls the transition when LEDs
are linked to CS channels
00h Page 69
79h R/W LED Mirror Control
Controls the mirroring of duty cycles
for the LEDs
00h Page 70
Table 5.1 Register Set in Hexadecimal Order (continued)
REGISTER
ADDRESS R/W REGISTER NAME FUNCTION
DEFAULT
VALUE PAGE