LA76818 データシートの表示（PDF） - SANYO -> Panasonic

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LA76818

The BUS Control Functions of LA76818 (Tentative)

SANYO -> Panasonic 

Technical Note of LA76818

2002/01/23

1 = Over-shoot adjustment.

C.CVO Adj SW

1

C.VCO adjustment direction.

0:adjust plus.

1:adjust minus.

Select C.VCO adjustment direction.

C/VCO Adjustment

2 Control free Run frequency of chroma VCO(wihout

4.43MHz mode ).

Control free run freuency of chroma VCO that use NTSC/PAL-M/PAL-N.

00:0Hz

01:30Hz

10:60Hz

11:90Hz

Tint Through

1 Set tint control center value.

Tint control set center value.

0:Nomal mode.

1:Tint control set center value.(Can’t control tint.)

Hlock.Vdet

1 Select Vertical sync system.

Select vertical sync system.

0:Normal mode.(Vsync system always working.)

1:LA76810 system.(If H-Lock not detect, then stop vertical sync separation.)

VIDEO.LEVEL.OFFSET 2 Control IF video output amplitude.

Control video output amplitude. When the video output amplitude more change, use this

control. But normally set bit=01.

00:minimum.

01:recommend amplitude.

11:maximum.

IF TEST1

IF Test mode.

0:Nomal mode

1:Test mode.

1 IF Test mode.

OVER.MOD.LEVEL

4 Adjust over moduration operating point.

Adjust over moduration operating points.

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