MN2WS0025 Просмотр технического описания (PDF) - Panasonic Corporation
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MN2WS0025 Datasheet PDF : 4 Pages
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MN2WS0025 REFERENCE SYSTEM
Panasonic Semiconductor’s system board for the
MN2WS0025 provides a complete Plug-and-Play hardware
reference design to “jump-start” software development using
the Panasonic Semiconductor software development kit. We
provide source code for transport demux, MPEG AV decod-
ing, Digital Dolby audio decoding, ITU-R BT.656 video cap-
ture, channel navigation user interface sample, nonvolatile
memory access, and simple command-line shell for debug-
ging. Optional modules for Plug-and-Play/OpenCable™
and DTV closed captioning are also available.
The MN2WS0025 resides on the main (or back-end) board
and is the heart of the system. This board controls all other
functions in the system and performs transport, video and
audio decoding, video scaling, graphics compositing, ITU-R
BT.656 video capture, and video and audio output. The ref-
erence system also includes a front-end board that provides
the tuning and demodulation for Plug-and-Play/
OpenCable™, terrestrial ATSC and NTSC, and inputs for
S-video, composite video, and L/R audio.
A front panel board receives and decodes IR commands
and scans the front panel buttons. This board has the capa-
bility to emulate a TV microcontroller by acting as an I2C
master while the main board is an I2C slave, simplifying the
use of MN2WS0025 as a plug-in DTV module for an exist-
ing NTSC television.
Reference design comes complete with:
■ Schematics and Gerber files
■ Bill of materials (BOM)
■ Datasheet and user manual
■ Software source code for device drivers
■ Applications support
Main Board
Antenna RF
Cable RF
S video
Composite
L/R audio
Front-End Board
RF
OOB
tuner
OOB
IF
SIF
IB tuner &
demodulator TS
CVBS
Switch
NTSC
decoder
REC656
Audio
processor
OOB
CableCARDTM SD
slot
card
DDR
SDRAM
TS/656
Transport / 656 video in
I2C
Digital
video
YCbCr
header
I2S audio PCM audio in
I2C
EEPROM
MN2WS0025
Primary
video
Secondary
video
1394
1394
Serial port 1
Serial port 2
Flash
1394
Link/PHY
Host bus
Bitstream
Bitstream
RS232
receiver
PCM
audio
Audio
DAC
IEC958 Optical
audio transmitter
JTAG connector
MN2WS0025 Reference System Block Diagram
IR
remote
Buttons
Front
panel
board
YPbPr
S video
Composite
L/R audio
SPDIF
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