ICS1531 datasheet(50/76 Pages) ICST

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ICS1531 Rev N 12/1/99

December, 1999

Chapter 6

ICS1531 Data Sheet - Preliminary

6.5.36

The R_FINE Register is the second adjustment for the red channel of the ADC. It is used to fine tune the

top reference used by the ADC. (See also Section 6.5.33, “Register 31h: R_COARSE”.)

6.5.37

The G_FINE Register is the second adjustment for the green channel of the ADC. It is used to fine tune the

top reference used by the ADC. (See also Section 6.5.34, “Register 32h: G_COARSE”.)

6.5.38

The B_FINE Register is the second adjustment for the blue channel of the ADC. It is used to fine tune the

top reference used by the ADC. (See also Section 6.5.35, “Register 33h: B_COARSE”.)

Table 6-35.

R_FINE Register

Bit

Bit Name

Bit Definition

Ac-

cess

Spec.

Func.

Re-

set

34:7-

34:0

R_Fine_ADJ

[7-0]

Red Fine Adjust [7-0].

These bits adjust the amount of voltage to the top reference of

the red channel of the ADC.

• 0 = Lowest-voltage value

• 255 = Highest-voltage value

R/W

–

Table 6-36.

G_FINE Register

Bit

Bit Name

Bit Definition

Ac-

cess

Spec.

Func.

Re-

set

35:7-

35:0

G_Fine_ADJ

[7-0]

Green Fine Adjust [7-0].

These bits adjust the amount of voltage to the top reference of

the green channel of the ADC.

• 0 = Lowest-voltage value

• 255 = Highest-voltage value

R/W

–

Table 6-37.

B_FINE Register

Bit

Bit Name

Bit Definition

Ac-

cess

Spec.

Func.

Re-

set

36:7-

36:0

B_Fine_ADJ

[7-0]

Blue Fine Adjust [7-0].

These bits adjust the amount of voltage to the top reference of

the blue channel of the ADC.

• 0 = Lowest-voltage value

• 255 = Highest-voltage value

R/W

–

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