CAP1114 datasheet(67/102 Pages) MICROCHIP

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Multiple Channel Capacitive Touch Sensor and LED Driver

Datasheet

SMSC CAP1114

Revision 1.1 (02-04-11)

DATASHEET

Bits 5-4 - CS3_LD_TH[1:0] - Controls the lid closure threshold for Capacitive Touch Sensor 3.

Bits 3-2 - CS2_LD_TH[1:0] - Controls the noise threshold for Capacitive Touch Sensor 2.

Bits 1-0 - CS1_LD_TH[1:0] - Controls the noise threshold for Capacitive Touch Sensor 1.

6.30.2

Lid Closure Threshold 2 Register

The Lid Closure Threshold 2 Register controls the lid closure threshold for Capacitive Touch Sensors

5 - 8.

Bits 7-6 - CS8_LD_TH[1:0] - Controls the lid closure threshold for Capacitive Touch Sensor 8 (one of

the grouped sensors).

Bits 5-4 - CS7_LD_TH[1:0] - Controls the lid closure threshold for Capacitive Touch Sensor 7.

Bits 3-2 - CS6_LD_TH[1:0] - Controls the lid closure threshold for Capacitive Touch Sensor 6.

Bits 1-0 - CS5_LD_TH[1:0] - Controls the lid closure threshold for Capacitive Touch Sensor 5.

6.30.3

Lid Closure Threshold 3 Register

The Lid Closure Threshold 3 Register controls the lid closure threshold for Capacitive Touch Sensors

9 - 12.

Bits 7-6 - CS12_LD_TH[1:0] - Controls the lid closure threshold for Capacitive Touch Sensor 12 (one

of the grouped sensors).

Bits 5-4 - CS11_LD_TH[1:0] - Controls the lid closure threshold for Capacitive Touch Sensor 11 (one

of the grouped sensors).

Bits 3-2 - CS10_LD_TH[1:0] - Controls the lid closure threshold for Capacitive Touch Sensor 10 (one

of the grouped sensors).

Bits 1-0 - CS9_LD_TH[1:0] - Controls the lid closure threshold for Capacitive Touch Sensor 9 (one of

the grouped sensors).

6.30.4

Lid Closure Threshold 4 Register

The Lid Closure Threshold 4 Register controls the lid closure threshold for Capacitive Touch Sensors

13 - 14.

Bits 3-2 - CS14_LD_TH[1:0] - Controls the lid closure threshold for Capacitive Touch Sensor 14 (one

of the grouped sensors).

Bits 1-0 - CS13_LD_TH[1:0] - Controls the lid closure threshold for Capacitive Touch Sensor 13 (one

of the grouped sensors).

6.31

Slider Velocity Configuration Register

The Slider Velocity Configuration Register controls the speed sensitive behaviors of the slider, allowing

the number of interrupts to be increased as the slide speed increases.

Table 6.45 Slider Velocity Configuration Register

ADDR

R/W

DEFAULT

3Eh

R/W

Slider Velocity

Configuration

ACC_

INT_EN

MAX_INT[2:0]

SLIDE_TIME

[1:0]

RPT_SCALE

[1:0]

C5h

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