YGV628B Ver la hoja de datos (PDF) - Yamaha Corporation

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componentes Descripción

Fabricante

YGV628B

Advanced Video Display Processor 7

Yamaha Corporation 

YGV628B

■ Block Diagram

Video Input I/F

DRI[5:0]

DGI[5:0]

DBI[5:0]

HSIN_N

VSIN_N

GCK1IN

GCK2IN

Video Memory I/F

SDQ[15:0]

SA[13:0]

SCS_N

RAS_N

CAS_N

WE_N

UDQM

LDQM

SDCKOUT

CPU I/F

D[15:0]

A[23:1]

CS_N

WRH_N

WRL_N

RD_N

WAIT_N

READY_N

INT_N

DREQ_N

RESET_N

To Clock Gen.

To CRTC

Data

FORMAT

CONV.

Bitmap

FIFO

Data

FORMAT

CONV.

FILTER

PRIORITY

ENC.

Alpha

Blending

Data

FORMAT

CONV.

DAC

DAC

DAC

Monitor I/F

R, G, B

DRO5-0

DGO5-0

DBO5-0

IREF

CSYNC_N

VSYNC__NN

BLANK_N

GCK1OUT

GCK2OUT

DMA

Control

CPU Interface

Color Palette

RReeggiissters

CRTC

TTo all blockss

Clock

Clock Gen.

SYCKIN

■ Examples of System Composition

z Independent (self-propelled) system

RAM

ROM

CPU

AVDP7

Dot clock

SDRAM

Analog RGB

Digital RGB

CRT

LCD

Encoder

z Example of OSD to Digital Image (CPU, SDRAM, etc. are omitted)

External Image

[16bitYCrCb]

[ITU656]

AVDP7

Image + OSD

[16bitYCrCb]

[ITU656]

Composite

Separate

DAC NTSC Encoder

Component

-3-

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