LP5526 Register Bit Explanations

Each register is shown with a key indicating the accessibility of the each individual bit, and the initial condition:

Register Bit Accessibility and Initial Condition

Key

Bit Accessibility

RW

Read/write

R

Read only

–0,–1

Condition after POR

CONTROL REGISTER (00H) – RGB LEDS CONTROL REGISTER

D7

D6

D5

D4

D3

D2

D1

D0

RGB_PWM

EN_RGB

CC_SW

RSW

GSW

BSW

RW-0

RW-0

RW-1

R-0

RW-0

RW-0

RW-0

R-0

RGB_PWM

Bit 7

0 - Internal RGB PWM control disabled

1 - Internal RGB PWM control enabled

EN_RGB

Bit 6

0 – RGB outputs disabled

1 – RGB outputs enabled

CC_SW

Bit 5

0 – Constant current sink mode

1 – Switch mode

RSW

Bit 3

0 – RLED disabled

1 – RLED enabled

GSW

Bit 2

0 – GLED disabled

1 – GLED enabled

BSW

Bit 1

0 – BLED disabled

1 – BLED enabled

RGB (01H) – RGB COLOR AND BRIGHTNESS CONTROL REGISTER

D7

D6

D5

D4

D3

D2

D1

D0

COLOR[3:0]

BRIGHT[2:0]

OVL

RW-0

RW-0

RW-0

RW-0

RW-0

RW-0

RW-0

RW-0

COLOR[3:0]

Bits 7-4

PWM color for RGB outputs

BRIGHT[2:0]

Bits 3-1

PWM brightness control for RGB outputs

OVL

Bit 0

0 – Overlapping mode disabled

1 – Overlapping mode enabled

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