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Timing Parameters P70 Max. Capability Example 1280x1024 @77Hz
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Sync Type Composite Sync on Composite Sync on Green
Green or Separate Sync
Format Maximum 1280 x 1024 @ 77Hz 1280 x 1024
Format Optimum 1280 x 1024 @ 77Hz 1280 x 1024
Pixel Clock Frequ. 148 Mpels/sec 148 HHz
Pixel Time 6.7567 ns 6.7567 ns
H line Frequeny 82 KHz 81.32 KHz
H active scan time * 8.648 us
H front porch width * 0.27 us
H Sync width 0.8 us minimum 1.38 us
H Back Porch width
(Sync on Green) 0.6 us minimum 2.00 us
H Back Porch width
(Separate Syncs) 1.2 us minimum 2.00 us
H Blank width 2.80 us minimum 3.65 us
V Frame rate
(Frequency) 50-120 Hz 77 Hz
V period * 12.987 us
Serrated V Sync 2 lines minimum (3 lines) 37.06 us
V Front Porch width 3 lines minimum (3 lines) 37.0 us
V Back Porch width * (26 lines) 320.0 us
V Blanking width 320 us minimum (32 lines) 394 us
Total scan lines * 1056
V Displayable lines * 1024
RGB input timing Horiz. Sync interval 1280x1024 112MHz timings
| Level | IRE Units | P-P Volts Nominal | Tolerance (-) | Tolerance (+) |
|---|---|---|---|---|
| Sync to Blanking Pedestal | 40 | 0.286 | 0.287 | 0.292 |
| Blanking Pedestal Setup | 5 | 0.035 | 0.034 | 0.036 |
| Reference Blanking to White | 100 | 0.714 | 0.696 | 0.731 |
| Composite Video Amplitude | 140 | 1.000 | 0.974 | 1.023 |
Video Overshoot/Undershoot = 2% maximum (of 100 IRE)
(1 IRE Unit = 1% of video ie. Blanking to White) DC bias of the video signal with respect to
ground will be equal to or less than 2.0 volts.
Please see the LEGAL - Trademark notice.
Feel free - send a 
for any BUG on this page found - Thank you.