Composite sync. & video (sync. on green) 62 61, Horizontal vertical – NEC XP29 Xtra User Manual
Page 36
36
Composite Sync. & Video (Sync. on Green)
62
61
Recommended Sync Signal Timing
Horizontal Duty should be 3 to 30%.
Horizontal sync width should exceed 0.9
µ
sec.
Horizontal back porch should exceed 2.0
µ
sec at sync on green and 1.2
µ
sec at others except when at 15KHz.
Horizontal blanking should exceed: 15.75; 10
µ
sec, 31KHz< fH<63.2KHz: 3.6
µ
sec, 63.2KHz µ sec. Vertical Duty should be 0.2 to 10%. Vertical sync width should exceed 40 µ sec 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. A B C D E VIDEO O P Q R S P VIDEO Sync. Polarity: Negative HORIZONTAL VERTICAL
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