STV2112B datasheet(8/24 Pages) STMICROELECTRONICS

8 / 24 page

2C BUS SPECIFICATION (continued)

Bus Register Initial Conditions

Not used bits are preset to ”0”.

Address

Dec (HEX)

Data Initial

Value

Comments

0 (00)

XX01 0000

Mid. contrast ; RGBext insertion enable

1 (01)

XX10 0000

Mid. saturation

2 (02)

XX01 0000

Mid. brightness ; Blanking : normal mode

3 (03)

XX10 0000

Mid. RED drive adjust

4 (04)

XX10 0000

Mid. RED cut-off adjust

5 (05)

XX10 0000

Mid. GREEN drive adjust

6 (06)

XX10 0000

Mid. GREEN cut-off adjust

7 (07)

XX10 0000

Mid. BLUE drive adjust

8 (08)

XX00 0100

Mid. sharpness

9 (09)

XX10 0000

Not used

10 (0A)

XX00 0110

Auto search color standard ; no SVHS

11 (0B)

XX10 0000

Mid. horizontal shift

12 (0C)

XX10 0000

Mid. vertical amplitude

13 (0D)

XX00 0100

Mid. vertical position ; Auto search field frequency ; HOUT : normal mode

14 (0E)

XX00 0000

PLL1 time constant : normal mode ; Interlace ; 4/3 selection

15 (0F)

XX10 0000

Mid. volume

16 (10)

XX00 0000

Mute not active ; INT/FM IF mode ; Not used ;

Cut-off pulses on lines 23/24/25 in 50Hz

17 (11)

XX00 0000

Test mode not active

STV2112B

8/24

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