CAP1114 datasheet(76/102 Pages) SMSC

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Multiple Channel Capacitive Touch Sensor and LED Driver

Datasheet

Revision 1.1 (02-04-11)

SMSC CAP1114

DATASHEET

Bit 5 - LED6_DN - Indicates that LED6 has finished its ramping behavior as determined by the

LED6_CTL bits.

Bit 4 - LED5_DN - Indicates that LED5 has finished its ramping behavior as determined by the

LED5_CTL bits.

Bit 3 - LED4_DN - Indicates that LED4 has finished its ramping behavior as determined by the

LED4_CTL bits.

Bit 2 - LED3_DN - Indicates that LED3 has finished its ramping behavior as determined by the

LED3_CTL bits.

Bit 1 - LED2_DN - Indicates that LED2 has finished its ramping behavior as determined by the

LED2_CTL bits.

Bit 0 - LED1_DN - Indicates that LED1 has finished its ramping behavior as determined by the

LED1_CTL bits.

6.39.2

LED Status 2

Bit 2 - LED11_DN - Indicates that LED11 has finished its ramping behavior as determined by the

LED3_CTL bits.

Bit 1 - LED10_DN - Indicates that LED10 has finished its ramping behavior as determined by the

LED2_CTL bits.

Bit 0 - LED9_DN - Indicates that LED9 has finished its ramping behavior as determined by the

LED1_CTL bits.

6.40

LED / GPIO Direction Register

The LED / GPIO Direction Register controls the data flow direction for the LED / GPIO pins. Each pin

is controlled by a single bit.

Bit 7 - LED8_DIR - Controls the direction of the LED8 / GPIO8 pin.

‘0’ (default) - The LED8 / GPIO8 pin is configured as an input and cannot be used to drive an LED.

‘1’ - The LED8 / GPIO8 pin is configured as an output.

Bit 6 - LED7_DIR - Controls the direction of the LED7 / GPIO7 pin.

Bit 5 - LED6_DIR - Controls the direction of the LED6 / GPIO6 pin.

Bit 4 - LED5_DIR - Controls the direction of the LED5 / GPIO5 pin.

Bit 3 - LED4_DIR - Controls the direction of the LED4 / GPIO4 pin.

Bit 2 - LED3_DIR - Controls the direction of the LED3 / GPIO3 pin.

Bit 1 - LED2_DIR - Controls the direction of the LED2 / GPIO2 pin.

Bit 0 - LED1_DIR - Controls the direction of the LED1 / GPIO1 pin.

Table 6.59 LED / GPIO Direction Register

ADDR

R/W

DEFAULT

70h

R/W

LED / GPIO

Direction

LED8_

DIR

LED7_

DIR

LED6_

DIR

LED5_

DIR

LED4_

DIR

LED3_

DIR

LED2_

DIR

LED1_

DIR

00h

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