ADV7175A Просмотр технического описания (PDF) - Analog Devices

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ADV7175A

High Quality, 10-Bit, Digital CCIR-601 to PAL/NTSC Video Encoder

Analog Devices 

ADV7175A/ADV7176A

t3

SDATA

t5

t3

t6

t1

SCLOCK

t2

t7

t4

t8

Figure 1. MPU Port Timing Diagram

CLOCK

t9 t10

t12

CONTROL

I / PS

HSYNC,

FIELD/VSYNC,

BLANK

CONTROL

O / PS

PIXEL INPUT

DATA

Cb

Y

Cr

Y

Cb

Y

HSYNC,

FIELD/VSYNC,

BLANK

t11

t13

t14

Figure 2. Pixel and Control Data Timing Diagram

TTXREQ

CLOCK

t16

t17

TTX

t18

4 CLOCK

CYCLES

4 CLOCK

CYCLES

Figure 3. Teletext Timing Diagram

4 CLOCK

CYCLES

3 CLOCK

CYCLES

–8–

REV. C

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