ADV7152LS135 Ver la hoja de datos (PDF) - Analog Devices

Número de pieza

componentes Descripción

Fabricante

ADV7152LS135

CMOS 220 MHz True-Color Graphics Triple 10-Bit Video RAM-DAC

Analog Devices 

ADV7152

t13

SCKIN

BLANK

t14

t15

BLANKING PERIOD

SCKOUT

END OF SCAN

LINE (N)

START OF SCAN

LINE (N+1)

*INCLUDES PIXEL DATA (R0-R7, G0-G7, B0-B7); PALETTE SELECT INPUTS (PS0-PS1); SYNC; BLANK

OBSOLETE Figure 7. Video Data Shift Clock Input (SCKIN) & BLANK vs. Video Data Shift Clock Output (SCKOUT)

CLOCK

t16

t18

ANALOG

OUTPUTS

IOR, IOR

IOG, IOG

IOB, IOB

IPLL , SYNCOUT

WHITE LEVEL

90 %

50 %

FULL SCALE

TRANSITION

10 %

BLACK LEVEL

t17

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.

IPLL AND SYNCOUT ARE DIGITAL OUTPUT SIGNALS. t16 IS THE ONLY

RELEVANT OUTPUT TIMING SPECIFICATION FOR IPLL AND SYNCOUT.

R/W, C0, C1

CE

D0–D9

(READ MODE)

Figure 8. Analog Output Response vs. CLOCK

t19

t20

VALID

CONTROL DATA

t21

t24

t23

R/W = 1

t22

t25

D0–D9

(WRITE MODE)

R/W = 0

t26

t27

Figure 9. Microprocessor Port (MPU) Interface Timing

–6–

REV. B

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