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

Audio Mute

1 Disable audio outputs

Mute the audio output.

0

= Mute OFF

1

= Mute ON

Video Mute

1 Disable video outputs

Mute the RGB output.(The blanking output level of RGB is about 1.6Vdc)

0

= Mute OFF

1

= Mute ON

H PHASE

Adjust the center of H.

5 Align sync to flyback phase

Sync Kill

1 Force free-run mode

Whatever there is a synchronization signal or not, the frequency of horizontal oscillator

is in free-run situation. Set this function in active if “no signal” is detected by CPU, then

the rolling of OSD can almost be reduced.

0

= TV operating mode

1

= Sync Kill mode

Vertical Size

Adjust the size of V.

7 Align vertical amplitude

V-sync Separation Up

1 Select vertical sync. separation sensitivity

Improved the sensitivity of the vertical separation circuit.

0

= Normal mode

1

= Sensitivity up mode

Vertical Kill

1 Disable vertical output

Defeat the vertical output. Please use this function when adjust RGB Bias.。

0 = TV operation mode

1 = Defeat the vertical output

V POSI ( Vertical DC )

Adjust the position of Ｖ

6 Align vertical DC bias

V LIN

( Vertical Linearity )

5 Align vertical linearity

Compensation for vertical linearity

Vertical S-Correction

5 Align vertical S-correction

Compensation for vertical S characteristic.

H BLK L

3 Left H-Blanking Control ( Width/Phase )

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