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Home > Hardware Reviews > Consumer Electronics

Wednesday, November 24, 2004
NeuNeo DV308 MPEG4 DVD Player

3. Main Chipset

NeuNeo DV308 MPEG4 DVD Player

Main Chipset

The NeuNeo DV308 uses the Amlogic 3288 chipset, which has all the features of the 3285, mentioned below. Additionally, the chipset itself is DivX® Home Theater Certified.

The AML3285/AML3295 A/V Processor is a completely inegrated system targeting all types of Audio/Video decoder applications. The AML3285/AML3295 combines the full functionality of MPEG-2 and MPEG-4 decoding, numerous dedicated and general purpose peripherals and an embedded 32bit host CPU in a single device. The AML3285/AML3295 has two built-in AMRISC 24-bit RISC processors with special instructions to accomodate audio and video digital signal processing.

The embedded 32-bit host CPU handles system initialization, DVD navigation and other systems applications. The AML3285/AML3295 processor provides a glueless interface to all external components: ATAPI loaders, Thomson serial front-end devices, audio DACs and memory. Numerous general-purpose I/O pins can be used to control the front panel display and other miscellaneous tasks. The Flash interface allows the Flash memory to be shared with the front-end chip to reduce system cost in mono-board designs. Together, the embedded host CPU and special glueless interfaces reduce the total system cost for all A/V applications.

The AML3285/AML3295 A/V Processor also integrates an NTSC/PAL TV encoder that supports S-Video, composite, YUV component and RGB signals. The video encoder also supports high-quality de-interlaced progressive scan (480p/576p) with full Macrovision support. Contrast enhancement, hue adjustment, video scaling, video interpolation, pan-scan, letter-box, and zoom are also supported. In addition, four built-in Video DACs complement the video encoder further reducing system cost.

The integrated AMRISC RISC processor is designed to support advanced digital audio processing. The micro-coded engine provides support for all existing audio formats and it also has enough flexibility to accomodate new audio standards. Popular audio formats like Dolby AC3 5.1, DTS, HDCD, MP3 and WMA are supported.


MPEG 1/2/4 Decoding

  • MPEG-4 and Divx 3.x/4.x/5.x compliant
  • MPEG-2 ML/MP conforming to ISO-13818
  • MPEG-1 ML/MP conforming to ISO-11172
  • On Chip CSS descrambler
  • Flexible DRM engine for content management
  • Compliant with DVD Specification 1.0 for read-only Disc decoding
  • Advanced error detection, concealement, and recovery scheme
  • Backward compatible VCD (1.0-2.0) decoding
  • Super VCD decoding
  • Built-in AMRISC 24-bit RISC CPU with special instruction extensions designed specifically for MPEG decoding


  • Full MPEG-2 main profile @ main level 4:2:0 video decoding
  • On-Screen-Display (OSD) capable of supporting up to 256 colors
  • OSD Alpha-blending over video display
  • Video Zoom-in for visual effects
  • Built-in full screen NTSC to PAL scaling or vice versa
  • Built-in contrast enhancement, hue adjustment, and flesh tone correction features
  • Built-in hardware for video interpolation and decimation
  • Supports maximum zoom ratio up to 8x
  • OSD is 16 color programmable


  • Built-in AMRISC 24-bit RISC CPU extensions specifically designed for Audio Processing
  • Compliant with Dolby AC-3 5.1 channel decoding
  • AC-3 two channel decoding
  • IEC958 output (S/PDIF)
  • S/PDIF (input)
  • Full MPEG audio layers I, II and III (MP3)
  • Supports 8 channel linear PCM output


  • Anti-flicker hardware for interlaced video
  • Supports high speed clock move for panning
  • Built-in 2D graphics accelerator
  • Dedicated graphics display controller separate from MPEG engine for optimal video overlay performance
  • High resolution graphics ARC processor and memory
  • Supports NTSC and PAL graphics modes with maximum 64k color
  • Video overlay with graphics and vice-versa
  • Unified MPEG and graphics memory architecture for maximum flexibility and system cost savings

Built-in TV encoder

  • Quad 10-bit video DACs
  • Real-time interlaced NTSC output 720x480 at 30 fps and PAL 720x576 at 25 fps Macrovision 7.1L1 anti-taping process
  • NTSC progressive output (480p) at 60fps, PAL progressive (576p) at 50 fps Macrovision 1.03 anti-taping process
  • Interlaced: S-Video, component, composite and SCART output
  • Closed caption
  • Progressive RGB

Built-in Host CPU

  • 32-bit CPU dedicated for user applications
  • Embedded debug interface using ICE/JTAG
  • Able to utilize MPEG SDRAM as run time data storage for minimal system cost
  • Configurable for 16-bit wide SDRAM
  • Supports 8 or 16-bit EPROM or Flash
  • The Flash can be shared with Front-End chips

Peripherals and Interface

  • Supports glueless interface to DVD DSP, CD DSP, and DVD-ROM devices
  • Direct connection to Audio DACs using 12S
  • General Purpose I/O pins
  • IDE with DMA transfer supporting up to 2 IDE devices such as ATAPI DVD-ROM or hard drive
  • ISA inteface
  • Thompson Multimedia Serial Interface


  • 208-pin PQFP for AML3295
  • 128-pin PQFP for AML3285
  • 1.8V operating voltage, 5V tolerant inputs, 3.3V outputs

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