CAP1188 datasheet(53/79 Pages) MICROCHIP

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DS00001620C-page 53

CAP1188

Bit 7 - LED8_POL - Determines the polarity of the LED8 output.

• ‘0’ (default) - The LED8 output is inverted. For example, a setting of ‘1’ in the LED Output Control register will

cause the LED pin output to be driven to a logic ‘0’.

• ‘1’ - The LED8 output is non-inverted. For example, a setting of ‘1’ in the LED Output Control register will cause

the LED pin output to be driven to a logic ‘1’ or left in the high-z state as determined by its output type.

Bit 6 - LED7_POL - Determines the polarity of the LED7 output.

Bit 5 - LED6_POL - Determines the polarity of the LED6 output.

Bit 4 - LED5_POL - Determines the polarity of the LED5 output.

Bit 3 - LED4_POL - Determines the polarity of the LED4 output.

Bit 2 - LED3_POL - Determines the polarity of the LED3 output.

Bit 1 - LED2_POL - Determines the polarity of the LED2 output.

Bit 0 - LED1_POL - Determines the polarity of the LED1 output.

6.28

LED Output Control Register

The LED Output Control Register controls the output state of the LED pins that are not linked to sensor inputs.

The LED Polarity Control Register will determine the non actuated state of the LED pins. The actuated LED behavior is

determined by the LED behavior controls (see Section 6.31, "LED Behavior Registers").

Table 6-48 shows the interaction between the polarity controls, output controls, and relative brightness.

Bit 7 - LED8_DR - Determines whether the LED8 output is driven high or low.

• ‘0’ (default) - The LED8 output is driven at the minimum duty cycle or not actuated.

• ‘1’ - The LED8 output is driven at the maximum duty cycle or is actuated.

Bit 6 - LED7_DR - Determines whether LED7 output is driven high or low.

Bit 5 - LED6_DR - Determines whether LED6 output is driven high or low.

Bit 4 - LED5_DR - Determines whether LED5 output is driven high or low.

Bit 3 - LED4_DR - Determines whether LED4 output is driven high or low.

Bit 2 - LED3_DR - Determines whether LED3 output is driven high or low.

Bit 1 - LED2_DR - Determines whether LED2 output is driven high or low.

Bit 0 - LED1_DR - Determines whether LED1 output is driven high or low.

TABLE 6-47:

LED OUTPUT CONTROL REGISTER

ADDR

R/W

Default

74h

R/W

LED Output

Control

LED8_

LED7_

LED6_

LED5_

LED4_

LED3_

LED2_

LED1_

00h

Note:

If an LED is linked to a sensor input in the Sensor Input LED Linking Register (Section 6.26, "Sensor Input

LED Linking Register"), the corresponding bit in the LED Output Control Register is ignored (i.e. a linked

LED cannot be host controlled).

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