TDA4887PS datasheet(33/68 Pages) PHILIPS

33 / 68 page

2001 Oct 19

Philips Semiconductors

Product speciﬁcation

160 MHz bus-controlled monitor video

preampliﬁer

TDA4887PS

Table 3

Subaddress byte format

Notes

1. The most significant bit (MSB) of the subaddress enables an I2C-bus transmission in direct or in buffered mode

(see note 3). Subaddresses outside the ranges 00H to 0FH and 80H to 8FH are not used.

2. Subaddress bit.

3. Most significant bit of subaddress byte. I2C-bus transmission in direct mode: B = 0. I2C-bus transmission in

buffered mode: B = 1.

FUNCTION

SUBADDRESS(1)

SUBADDRESS BYTE

DIRECT

MODE

BUFFERED

MODE

S7(2) S6(2) S5(2) S4(2) S3(2) S2(2) S1(2) S0(2)

Control register

00H

80H

B(3)

0000000

Brightness control

01H

81H

B(3)

0000001

Contrast control

02H

82H

B(3)

0000010

OSD contrast control

03H

83H

B(3)

0000011

Gain control channel 1

04H

84H

B(3)

0000100

Gain control channel 2

05H

85H

B(3)

0000101

Gain control channel 3

06H

86H

B(3)

0000110

Black level reference channel 1

07H

87H

B(3)

0000111

Black level reference channel 2

08H

88H

B(3)

0001000

Black level reference channel 3

09H

89H

B(3)

0001001

Black level for AC coupling

0AH

8AH

B(3)

0001010

Depth of pedestal blanking

0BH

8BH

B(3)

0001011

0CH to 0FH 8CH to 8FH

not used

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