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SAA7146AHZ

Multimedia bridge, high performance Scaler and PCI circuit (SPCI)

Philips Electronics 

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I/O

I2C-bus

Intel/

Motorola

I2S1-bus

I2S2-bus

Dual D1 or 16-bit YUV

SAA7146A

GPIO PORT

I2C-BUS MASTER

DEBI PORT

DEBI FIFO

AUDIO INPUT/OUTPUT

TSL

AUDIO INPUT/OUTPUT

AUDIO FIFO

RPS

TASK 1

TASK 2

EVENT

MANAGER

REAL TIME VIDEO INTERFACE

8-BIT D1 INPUT/OUTPUT

8-BIT D1 INPUT/OUTPUT

16-BIT YUV IN

YUV

HIGH PERFORMANCE SCALER

H-FILTER/SCALER

V-FILTER/SCALER

VIDEO-FLIP/MIRROR

COLOUR SPACE CV. GAMMA CORRECTION

PIXEL-FORMATTER/DITHER

YUV/RGB

VIDEO

FIFO1

CLIPPING

UNIT

VIDEO

FIFO2

YUV

BINARY

RATIO

SCALER

YUV

VIDEO

FIFO3

PCI INTERFACE

control

data

PCI BUS

MMU DMA AND INTERNAL ARBITRATION CONTROLLER

MHB044

Fig.1 Block diagram.

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