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
Stores the reference count value for
sensor 1
50h
51h
52h
53h
54h
55h
56h
57h
71h
72h
R
Sensor 1 Base Count
C8h
C8h
C8h
C8h
C8h
C8h
C8h
C8h
00h
00h
Page 53
Stores the reference count value for
sensor 2
R
R
Sensor 2 Base Count
Sensor 3 Base Count
Sensor 4 Base Count
Sensor 5 Base Count
Sensor 6 Base Count
Sensor 7 Base Count
Sensor 8 Base Count
LED Output Type
Page 53
Page 53
Page 53
Page 53
Page 53
Page 53
Page 53
Page 53
Page 56
Stores the reference count value for
sensor 3
Stores the reference count value for
sensor 4
R
Stores the reference count value for
sensor 5
R
Stores the reference count value for
sensor 6
R
Stores the reference count value for
sensor 7
R
Stores the reference count value for
sensor 8
R
Controls the output type for the LED
outputs
R/W
R/W
Controls linking of sensors to LED
channels
Sensor LED Linking
73h
74h
R/W
R/W
LED Polarity
Controls the output polarity of LEDs
Controls the output state of the LEDs
00h
00h
Page 57
Page 54
LED Output Control
Controls the behavior and response
of LEDs 1 - 4
81h
82h
84h
85h
R/W
R/W
R/W
R/W
LED Behavior 1
LED Behavior 2
00h
00h
20h
14h
Page 57
Page 57
Page 59
Page 60
Controls the behavior and response
of LEDs 5 - 8
Controls the period of each breathe
during a pulse
LED Pulse 1 Period
LED Pulse 2 Period
Controls the period of the breathing
during breathe and pulse operation
Controls the period of an LED
breathe operation
86h
88h
90h
R/W
R/W
R/W
LED Breathe Period
LED Config
5Dh
04h
F0h
Page 61
Page 62
Page 63
Controls LED configuration
LED Pulse 1 Duty
Cycle
Determines the min and max duty
cycle for the pulse operation
Determines the min and max duty
cycle for breathe and pulse
operation
LED Pulse 2 Duty
Cycle
91h
92h
R/W
R/W
F0h
F0h
Page 63
Page 63
LED Breathe Duty
Cycle
Determines the min and max duty
cycle for the breathe operation
Revision 1.1 (08-05-09)
SMSC CAP1088
DATA3S4HEET
SMSC [ SMSC CORPORATION ]
