Seco Qseven Q7-974 User Manual page 56

Vertical Blank
Horizontal Offset
Horizontal Pulse
Vertical Offset
Vertical Pulse
Horizontal Polarity
Vertical Polarity
4.3.8.2 LVDS Advanced options submenu
Using this submenu, it is possible to set all the following parameters to meet the LVDS display requirements.
Menu Item
LVDS Spreading Depth
LVDS Output Swing
T3 Timing
T4 Timing
T12 Timing
T2 Delay
T5 Delay
P/N Pairs Swapping
Pairs Order Swapping
LVDS BUS Swapping
Q7-974
Q7-974 User Manual - Rev. First Edition: 0.1 - Last Edition: 2.3 - Author: S.B. - Reviewed by G.G. Copyright © 2017 SECO S.r.l.
Any value in range [1..4095]
Any value in range [1..1023]
Any value in range [1..1023]
Any value in range [1..63]
Any value in range [1..63]
Negative / Positive
Negative / Positive
Options Description
No Spreading / 0.5% / 1.0% /
Sets percentage of bandwidth of LVDS clock frequency for spreading spectrum
1.5% / 2.0% / 2.5%
150 mV / 200 mV / 250 mV /
300 mV / 350 mV / 400 mV / Sets the LVDS differential output swing
450 mV
Minimum T3 timing of panel power sequence to enforce (expressed in units of 50ms). Default is 10
0 ÷ 255
(500ms)
Minimum T4 timing of panel power sequence to enforce (expressed in units of 50ms). Default is 2
0 ÷ 255
(100ms)
0 ÷ 255 Minimum T12 timing of panel power sequence to enforce (expressed in units of 50ms). Default is 20 (1s)
Enabled / Disabled When Enabled, T2 is delayed by 20ms ± 50%
Enabled / Disabled When Enabled, T5 is delayed by 20ms ± 50%
Enable or disable LVDS Differential pairs swapping (Positive  Negative)
Enabled / Disabled
Enable or disable channel differential pairs order swapping (A  D, B  CLK, C  C)
Enabled / Disabled
Enable or disable Bus swapping (Odd  Even)
Enabled / Disabled
Vertical Blanking in pixels, equals to Vertical Total (Vertical Active + Vertical Front Porch + Vertical
Black Porch)
Horizontal Front Porch in pixels
Horizontal Sync Pulse Width in pixels
Vertical Front Porch in pixels
Vertical Sync Pulse Width in pixels
Sync Signal Polarity: Default is Negative (Active Low)
Sync Signal Polarity: Default is Negative (Active Low)
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