Nec XV29 Plus User Manual download pdf (Page 29)

Composite Sync. & Video (Sync. on Green)

Recommended Sync Signal Timing

Horizontal Duty should be 3 to 30%.

Horizontal sync width should exceed 0.9 µsec.

Horizontal back porch should exceed 2.0 µsec at sync on green and 1.2 µsec at others except when at 15KHz.

Horizontal blanking should exceed: 15.75; 10µsec, 31KHz< fH<66KHz: 3.6 µsec, 66KHz<fH: 2.7 µsec.

Vertical Duty should be 0.2 to 10%.

Vertical sync width should exceed 40 µsec or 2 horizontal lines.

Vertical sync width plus back porch should exceed 0.4 msec.

Interlaced signals are not recommended.

Interlaced signals with composite sync may not be displayed.

VIDEO

Sync. Polarity: Negative

HORIZONTAL

VERTICAL

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Nec XV29 Plus User Manual Page 29