ADV7129 查看數據表（PDF） - Analog Devices

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ADV7129

192-Bit, 360 MHz True-Color Video DAC with Onboard PLL

Analog Devices 

ADV7129

LOADOUT

LOADIN

PIXEL

INPUT

DATA

ANALOG

OUTPUT

DATA

t4

AN ...

HN

AN+1 ...

HN+1

DOIGUTITPAULTINPPIPUETLITNOEANALOG

AN+2 ...

HN+2

t1

t2

t3

AN–1 ... HN–1

tPD

AN ... HN

AN+1 ... HN+1

AN+2 ... HN+2

Figure 2. LOADIN vs. Pixel Input Data

R/W, C0, C1

CE

D7–D0

(READ MODE)

D7–D0

(WRITE MODE)

t7

t8

VALID

CONTROL DATA

t9

t12

t11

R/W = 1

t10

t13

t14

R/W = 0

t15

t16

Figure 3. Microprocessor Port (MPU) Interface Timing

PCLK

ANALOG

OUTPUTS

IOR

IOG

IOB

SYNCOUT

t17

t19

WHITE LEVEL

90 %

50 %

FULL-SCALE

TRANSITION

10 %

t18

BLACK LEVEL

NOTE:

THIS DIAGRAM IS NOT TO SCALE.

FOR THE PURPOSES OF CLARITY, THE ANALOG OUTPUT WAVEFORM IS MAGNIFIED IN TIME AND AMPLITUDE W.R.T THE CLOCK WAVEFORM.

SYNCOUT IS A DIGITAL VIDEO OUTPUT SIGNAL.

t17 IS THE ONLY RELEVENT TIMING SPECIFICATION FOR SYNCOUT.

Figure 4. Analog Output Response vs. LOADIN

–4–

REV. 0

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