技术特性

• DVD Audio decoder:
  • Meridian Lossless Packing (MLP), with up to 6 channels,
  • Uncompressed LPCM with 1-8 channels,
  • Precision of up to 24 bits and sample rates of between 44.1 kHz and 192 kHz.
• Dolby Digital decoder:
  • Decodes 5.1 Dolby Digital Surround.
  • Output up to 6 channels. downmix modes: 1, 2, 3 or 4 channels.
• MPEG -1 2- channel audio decoder, layers I and II.
• MPEG-2 6-channel audio decoder, layer II.
  • 24 bits decoding precision.
• MP3 (MPEG layer III) decoder.
• Accepts MPEG-2 PES stream format for: MPEG-2, MPEG-1, Dolby Digital and linear PCM.
• Karaoke System.
• Prologic decoder.
• Downmix for Dolby Prologic compatible.
  • A separate (2-ch) PCM output available for simultaneous playing and recording.
• Bitstream input interface: serial, parallel or SPDIF.
• SPDIF and IEC-61937 input interface.
• SPDIF and IEC-61937 output interface.
• PLL for internal PCM clock generation. frequencies supported: 44.1KHz family (22.05, 88.2, 176.4) and 48KHz family (24, 48, 96, 192).
• PCM: transparent, downsampling 192 to 96 Khz and 96 to 48kHz.
• PTS handling control on-chip.
• No external DRAM required
• I²C or parallel control bus
• Embedded Development RAM for customizable software capability.
• Configurable internal PLLs for system and audio clocks, from an externally provided clock.
• 80-PIN TQFP package
• 2.5V (for core) and 3V (for I/O) power supply.
  • 3V Capable I/O Pads .
• True-SPDIF input receiver supporting AES/EBU, IEC958, S/PDIF.
  • No external chip required.
  • Differential or single ended inputs can be decoded

功能框图