LM9627 datasheet(22/37 Pages) NSC

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Functional Description (continued)

Figure 42. Example of Digital Video Port Timing in Progressive Scan Mode

Figure 43. Example of Digital Video Port Timing in Interlaced Mode

Figure 44. Example of Digital Video Port Timing in 2:1 Sub-sampling Mode

Figure 45. Example of Digital Video Port Timing in 4:2 Sub-sampling Mode

c0 c1 c2 c3 c4 c5 c6 c7 c8 c9

pclk

vsync

hsync

d[11:0]

c0 c1 c2 c3 c4 c5 c6 c7 c8 c9

frame 1

row1

row 2

row 1

row 2

frame 2

Programmable hsync to 1st valid pixel delay

Programmable inter-frame delay

Programmable row delay

c0 c1 c2 c3 c4 c5 c6 c7 c8 c9

pclk

vsync

hsync

d[11:0]

c0 c1 c2 c3 c4 c5 c6 c7 c8 c9

Odd Field

row1

row 3

row 2

row 4

Even Field

Programmable hsync to 1st valid pixel delay

Programmable inter-frame delay

Programmable row delay

pclk

vsync

hysync

d[11:0]

row 3

frame 1

frame 2

row 1

row 3

row 1

Programmable hsync to 1st valid pixel delay

Programmable inter-frame delay

Programmable inter-row delay

pclk

vsync

hsync

d[11:0]

row 2

frame 1

frame 2

row 1

row 2

row 1

Programmable hsync to 1st valid pixel delay

Programmable inter-frame delay

Programmable inter-row delay

LM9627 Datasheet(PDF) 22 Page - National Semiconductor (TI)

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