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TFP410: The DVI output is connected to the LCD screen, and there is a screen flash or no signal.

Part Number: TFP410
IDCK+ is connected to the FPGA output clock 27Mhz, phase delay DE, HSYNC, VSYNC 270 degrees.

2) Video Sync Configuration

Horizontal sync: 136 pixels (>5000ns)

Horizontal front porch: 24 pixels (>800ns)

Horizontal back porch: 160 pixels  (>5900ns)

Vertical sync :          6  lines  (>190ms)

vertical front porch: 3 lines      (>95ms)

Vertical back porch : 29 lines     (>925ms)

At Actual Display Area that DE active    

When using TFP410A in this design, the following functions are used:
(1) IIC interface selection: choose to invalidate the IIC interface;
(2) Input bus selection: select 24-bit single clock edge working mode;
(3) Clock synchronization edge selection: select in rising edge mode;
(4) Clock input mode selection: single clock mode;
(5) Selection of clock edge correction function: Select the default setting to enable the clock correction function;
(6) Power down optional function of the chip: select the normal working mode;
(7) Chip input signal level selection: Select low-swing mode.