LM3533 Datasheet, PDF(41/53 Page) Texas Instruments – Complete Lighting Power Solution for Smartphone Handsets

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

LM3533 Datasheet, PDF (41/53 Pages) Texas Instruments – Complete Lighting Power Solution for Smartphone Handsets

◁

LM3533

This register is updated after each average period.

TABLE 28. BRIGHTNESS REGISTERS (ADDRESSES 0x40, 0x41, 0x42, 0x43, 0x44, 0x45)

Address

0x40

0x41

0x42

0x43

0x44

0x45

Function

Control Bank A Brightness Register (BREGA)

Control Bank B Brightness Register (BREGB)

Control Bank C High Brightness Register (BREGHC)

Control Bank D High Brightness Register (BREGHD)

Control Bank E High Brightness Register (BREGHE)

Control Bank F High Brightness Register (BREGHF)

TABLE 29. BRIGHTNESS REGISTERS BIT DESCRIPTION

Brightness Code

Bits[7:0}

When the Mapping Mode is set for exponential mapping (Control Bank_Brightness Configuration Register Bit [2] = 0), the current

approximates the equation:

When the Mapping Mode is set for linear mapping (Control Bank_Brightness Configuration Register Bit [2] = 1), the current

approximates the equation:

TABLE 30. ALS ZONE BOUNDARY HIGH AND LOW REGISTERS (ADDRESS 0x50 - 0x57)

Address

0x50

0x51

0x52

0x53

0x54

0x55

0x56

0x57

Function

ALS Zone Boundary 0 High

ALS Zone Boundary 0 Low

ALS Zone Boundary 1 High

ALS Zone Boundary 1 Low

ALS Zone Boundary 2 High

ALS Zone Boundary 2 Low

ALS Zone Boundary 3 High

ALS Zone Boundary 3 Low

Note: Each Zone Boundary register is 8 bits with a maximum voltage of 2V. This gives a step size for each Zone Boundary Register

bit of:

TABLE 31. ALSM1 ZONE TARGET REGISTERS (ADDRESS 0x60 - 0x64)

Address

0x60

0x61

0x62

0x63

0x64

Function

ALSM1 Zone Target 0

ALSM1 Zone Target 1

ALSM1 Zone Target 2

ALSM1 Zone Target 3

ALSM1 Zone Target 4

▷