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1998 Apr 09
SAA7146A
I/O
I
2
C-bus
Intel/
Motorola
GPIO PORT
RPS
I
2
C-BUS MASTER
TASK 1
DEBI PORT
DEBI FIFO
TASK 2
I
2
S1-bus
AUDIO INPUT/OUTPUT
TSL
AUDIO INPUT/OUTPUT
I
2
S
2-bus
EVENT
MANAGER
5
Philips Semiconductors
Multimedia bridge, high performance
Scaler and PCI circuit (SPCI)
BLOCK DIAGRAM
Dual D1 or 16-bit YUV
REAL TIME VIDEO INTERFACE
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
VIDEO
FIFO2
VIDEO
FIFO3
YUV
CLIPPING
UNIT
BINARY
RATIO
SCALER
8-BIT D1 INPUT/OUTPUT
YUV
5
AUDIO FIFO
PCI INTERFACE
MMU
DMA AND INTERNAL ARBITRATION CONTROLLER
MHB044
PCI BUS
control
data
Product specification
SAA7146A
Fig.1 Block diagram.
PHILIPS [ NXP SEMICONDUCTORS ]
