恩智浦MP4/PMP解决方案
摘要：恩智浦（NXP） Nexperia个人媒体播放器(PMP)参考设计包括有高质量的数字音频和视频处理,有线和无线连接,它的极好的图像质量给制造商提供了灵活的平台,用来开发手提媒体播放器和录像设备.参考设计采用单个Nexperia PNX1500媒体处理器来译码和编码大多数受欢迎的媒体格式,包括DivX video, MPEG-2, MPEG-4, AVC/H.264,Windows Media 9,MP3, AAC, JPEG等。并无缝连接到LCD显示器（内含）,硬盘驱动器和便携式闪存卡,进一步降低了BOM成本以支持众多的特色和格式。方案特点：
The reference design’s compact size and light weight enable highly portable, ergonomic designs. Manufacturers can tailor storage, display, and media processing functionality to differentiate a variety of appealing player and recorder products enabling consumers to:
download high-quality music, movies, and photos from a PC, the Internet, home entertainment appliances, or other portables record high-quality audio, video, or TV
view/listen to hours of stored media anywhere
view photos or video from cameras or portable Flash storage devices
use the player as a wireless media adapter to enjoy PC and Internet media content in the living room
The reference design is based on a Nexperia PNX1500 media processor. The PNX1500 leverages a powerful C/C++ programmable TriMedia TM3260 CPU and runs a small real-time operating system
enabling efficient and predictable response to real-time events.
Independent, on-chip, I/O and coprocessing units capture and format datastream I/O and accelerate multimedia algorithms. A sophisticated memory hierarchy manages internal I/O and streamlines access to external memory.The PNX1500 also supports dynamic power management, lowering power consumption and conserving battery charge.
软件及开发工具：
Available separately from Philips, the Nexperia Development Kit (NDK) gives developers a full suite of system software tools to develop applications for the PNX1500’s TriMedia CPU. It includes a compiler, debugger, audio/video drivers, and example software. This comprehensive software development environment dramatically lowers cost and reduces time-to-market by enabling development of multimedia applications entirely in the C and C++ programming languages.
Application libraries for the PNX1500 are available from Philips and third parties; for a complete, up-to-date list visit:
主要特性:
Complete kit includes low-BoM reference board based on Nexperia PNX1500 media processor, 802.11a/g type IIIB MiniPCI card, LCD display, and software
Supports record and playback of most standard digital media formats including DivX? video, MPEG-2, MPEG-4,AVC/H.264,Windows Media 9, MP3, AAC, JPEG and more
Robust image enhancement features, motion-adaptive deinterlacing, and high-quality upscaling
Support for hard disk, CompactFlash?, Memory StickTM, and SD cards; expansion to other formats
Connectivity to PCs, home entertainment appliances, and portables
On-board Hi-Speed USB and Hi-Speed USB On-the-Go
Industry-leading, high-performance 802.11a/g
Expansion for Bluetooth? or RS232
Includes 3.5-inch QVGA TFT LCD display
Can output up to HD video for external big screen display
Advanced Philips PMU+ power management unit IC play stored music or full-resolution movies by connecting the player to a home theatre display or speakers
stream live TV or watch recorded TV or Internet content throughout the house
browse online multimedia content from the backyard or in any Wi-Fi hotspot
read electronic books
参考设计:
硬件(Hardware )PNX1511-based reference board; 802.11a/g type IIIB MiniPCI card (based on Philips high-performance 802.11a/g chipset: SA5250 baseband/MAC and SA5251 RF transceiver)
显示器(Display) 3.5-inch, switchable QVGA (320 x 240) included;
other displays such as 7-inch WVGA 800x480 are supported through a daughterboard
软件(Software) LCD drivers, audio/video drivers, HDD file system, demo applications
文件(Documentation): User Guide, schematics, Gerber files
参考设计板:
Media processor Nexperia PNX1511,TriMedia CPU
Memory 64 MB DDR SDRAM (2x32); 8 MB NAND Flash
PCI/XIO bus 32-bit, 33-MHz
Hard disk 1.8-in, 30-GB HDD with glueless IDE interface
Portable Flash Memory Stick, SD card, and CompactFlash; other formats via expansion bus
TV codec Philips SAA7109A; encodes up to 800 x 600 resolution PAL or NTSC; decodes PAL, NTSC, SECAM
Audio codec Philips UDA1380 stereo codec
Connectivity Philips ISP1583 Hi-Speed USB peripheral controller with direct interface to ATA/ATAPI; Philips ISP1761 Hi-Speed USB OTG host/peripheral controller (mini AB connector) miniPCI slot for 802.11 a/g card, SPI header for lowpower 802.11 b and b/g card Fast UART header for Bluetooth card Infrared receiver and blaster
Audio input mini-jack line in, microphone output mini-jack line out with inline 1W TDA8552 amp (to stereo speakers), headphone out, SPDIF out
Video I/O input CVBS/S-Video output CVBS/S-Video, component video (YPrPb interlaced and progressive or RGB/DVI up toWXGA)
Power power management unit Philips PCF50606 PMU+
supply voltage 3.3 V I/O
battery 3.7 V 3600-mAh Varta PolyFlex
DC/DC converter Philips TEA1211
Display I/O 18- or 24-bit, RGB LCD interface
User interface 8-bit microcontroller for keyboard/keypad
Security Philips P5CT072 with SmartMX technology enabling digital rights management
Supported media fomats1
Video decode MPEG-1, MPEG-2, MPEG-4 (SP,ASP), DivX-3/4/5, DV, H.263,AVC/H.264,WMV9
Video encode MPEG-1, MPEG-2, MPEG-4 (SP), DivX video, H.263, AVC/H.264
Audio decode MP2, MP3, DTS, Dolby Digital?, Dolby Pro Logic? II, AAC,WMA9, G.7xx
Audio encode MPEG-1 L2, MP3,AAC, G.7xx
Image decode JPEG, JPEG2000, GIF, BMP
Communications TCP/IP, V.90, Ethernet, 802.11x, Universal PnP, HTTP, RTP/RTCP/RTSP
下图为参考板方框图:
下图为PMP报PCB外形图:
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