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LM3533

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SNOSC68C – APRIL 2012 – REVISED SEPTEMBER 2015

Table 30. ALS Zone Boundary High And Low Registers (Addresses 0x50 - 0x57) (continued)

Address

Function

0x55

ALS Zone Boundary 2 Low

0x56

ALS Zone Boundary 3 High

0x57

ALS Zone Boundary 3 Low

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

Boundary Register bit of:

(11)

Table 31. ALSM1 Zone Target Registers (Addresses 0x60 to 0x64)

Address

Function

0x60

ALSM1 Zone Target 0

0x61

ALSM1 Zone Target 1

0x62

ALSM1 Zone Target 2

0x63

ALSM1 Zone Target 3

0x64

ALSM1 Zone Target 4

Table 32. ALSM2 Zone Target Registers (Addresses 0x65 to 0x69)

Address

Function

0x65

ALSM2 Zone Target 0

0x66

ALSM2 Zone Target 1

0x67

ALSM2 Zone Target 2

0x68

ALSM2 Zone Target 3

0x69

ALSM2 Zone Target 4

Table 33. ALSM3 Zone Target Registers (Addresses 0x6A to 0x6E)

Address

Function

0x6A

ALSM3 Zone Target 0

0x6B

ALSM3 Zone Target 1

0x6C

ALSM3 Zone Target 2

0x6D

ALSM3 Zone Target 3

0x6E

ALSM3 Zone Target 4

When the Mapping Mode is set for exponential mapping (Control Bank_Brightness Configuration Register Bit [2]

= 0), the current approximates Equation 12:

(12)

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

the current approximates Equation 13:

(13)

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