DP83867CS datasheet(70/129 Pages) TI2

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7.6.23 LED Configuration Register 2 (LEDCR2)

This register provides the ability to directly control any or all LED outputs.

Table 7-33. LED Configuration Register 2 (LEDCR2), Address 0x0019

BIT

BIT NAME

DEFAULT

DESCRIPTION

RESERVED

0, RO

RESERVED: Writes ignored, read as 0.

LED_GPIO_POLARITY

1, RW

GPIO LED Polarity:

1 = Active high

0 = Active low

LED_GPIO_DRV_VAL

0, RW

GPIO LED Drive Value:

Value to force on GPIO LED

This bit is only valid if enabled through LED_GPIO_DRV_EN.

LED_GPIO_DRV_EN

0, RW

GPIO LED Drive Enable:

1 = Force the value of the LED_GPIO_DRV_VAL bit onto the GPIO

LED.

0 = Normal operation

RESERVED

0, RO

RESERVED: Writes ignored, read as 0.

LED_2_POLARITY

1, RW

LED_2 Polarity:

1 = Active high

0 = Active low

LED_2_DRV_VAL

0, RW

LED_2 Drive Value:

Value to force on LED_2

This bit is only valid if enabled through LED_2_DRV_EN.

LED_2_DRV_EN

0, RW

LED_2 Drive Enable:

1 = Force the value of the LED_2_DRV_VAL bit onto LED_2.

0 = Normal operation

RESERVED

0, RO

RESERVED: Writes ignored, read as 0.

LED_1_POLARITY

1, RW

LED_1 Polarity:

1 = Active high

0 = Active low

LED_1_DRV_VAL

0, RW

LED_1 Drive Value:

Value to force on LED_1

This bit is only valid if enabled through LED_1_DRV_EN.

LED_1_DRV_EN

0, RW

LED_1 Drive Enable:

1 = Force the value of the LED_1_DRV_VAL bit onto LED_1.

0 = Normal operation

RESERVED

0, RO

RESERVED: Writes ignored, read as 0.

LED_0_POLARITY

1, RW

LED_0 Polarity:

1 = Active high

0 = Active low

LED_0_DRV_VAL

0, RW

LED_0 Drive Value:

Value to force on LED_0

This bit is only valid if enabled through LED_0_DRV_EN.

LED_0_DRV_EN

0, RW

LED_0 Drive Enable:

1 = Force the value of the LED_0_DRV_VAL bit onto LED_0.

0 = Normal operation

7.6.24 LED Configuration Register (LEDCR3)

This register controls the LED blink rate and stretching.

Table 7-34. LED Configuration Register 3 (LEDCR3), Address 0x001A

BIT

BIT NAME

DEFAULT

DESCRIPTION

15:3

RESERVED

0, RO

RESERVED: Writes ignored, read as 0.

LEDS_BYPASS_STRETCHING

0, RW

Bypass LED Stretching:

1 = Bypass LED Stretching

0 = Normal operation

DP83867CS, DP83867IS, DP83867E

SNLS504F – OCTOBER 2015 – REVISED JANUARY 2025

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