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4. FUNCTIONAL DESCRIPTIONS
4.1 DVD MPEG board
4M FLASH
64M
SDRAM
This board implements the back-end circuitry of a DVD player. It is composed of the following
subsystems:
* Microcontroller which does main control to all other sub-blocks of the system including user
interface, driver interface, audio/video output.
* Vaddis A/V Decoder IC decodes the bitstream coming from the DVD front-end drive, and
Optionally performs audio and video effects.
* Audio Codec
SPCA8202
DVD-DSP
CD-DSP
SPDIF
I/F
I/F
SERIAL
EPROM
AUD2
5.1-
AUD1
CHANNEL
AUD0
AUDIO
CODEC
CVBS
R
G
B
Cntr/LFE
Rear L/R
Rear L/R
4
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