CXD1930Q [SONY]
MPEG Video Decoder; MPEG视频解码器
| 型号： | CXD1930Q |
| 厂家： | 
SONY CORPORATION |
| 描述： | MPEG Video Decoder |
| 文件： | 总4页 (文件大小：43K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Advance Information
CXD1930Q
MPEG Video Decoder
Description
208-Pin QFP (Plastic)
The CXD1930Q was developed to provide an integrat-
ed, low-cost solution for DVD player and DVB set-top-box
(STB) applications. This single chip device combines all
of the logic for handling source materials which DVD and
DVB systems require.
The CXD1930Q integrates a RISC controller and, with
nano-OS™ (Sony’s proprietary operating system), and
provides advanced trick plays (e.g. no-skipping B
reverse), robust audio-video synchronization and error
concealment features.
The CXD1930Q offers a cost-effective solution to DVD
player, DVB STB and DVD PC applications.
Outline of Major Features
The CXD1930Q incorporates the MPEG1/MPEG2
video decoder, MPEG1/MPEG2/Dolby Digital audio
decoder, embedded RISC controller, programmable pre-
parser for system streams, programmable display con-
troller, sub-picture decoder, configurable host-interface,
NTSC/PAL video encoder and high-quality OSD feature.
In this section, a brief overview of each distinguishing
feature of the CXD1930Q functions is described.
Features
• MPEG1 and MPEG2 (MP@ML) video decoder
• MPEG1, MPEG2 (layer I, II: 5+1 channels) and Dolby
Digital™ decoder (5+1 channels), linear PCM output
• Sub-picture decoding
• DVD, VCD, DVB demultiplexing: up to 72Mbps
• Letter box pan-scan output
• On-screen display up to 256 colors
• Teletext output
[1] MPEG Video Decoder
1. Decodes MPEG1 (ISO 11172-2) and MPEG2
(MP@ML) (ISO 13818-2) bit streams. The image size
of CCIR601 resolution is 720x480 pixels @30fps for
NTSC and 720x576 @25fps for PAL.
• DVD standard compliant decoder
The CXD1930Q also integrates:
2. 2.53 frame PAL decoding, with 16Mbits SDRAM con-
figuration is supported (PAL decoding ) with high
quality AV synchronization.
• NTSC/PAL video encoder with Macrovision™ copy
protection, closed-caption, and 10-bit 6-channel DAC
3. Automatic 3:2 pull down
• Off-chip NTSC/PAL video encoder 8-bit interface
4. Proprietary patented error concealment by micro
code with on-chip RISC software.
• Off-chip host CPU interface (Hitachi SH* and Motorola
68K series CPU bus interface)
5. Advanced trick play (reverse on B frames, etc.) by
micro code (on-chip RISC software).
• Direct SDRAM interface of 16 bits, with a maximum
81MHz clock rate
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication
or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony
cannot assume responsibility for any problems arising out of the use of these circuits.
nano-OS is a trademark of Sony Electronics Inc.
Dolby Digital is a trademark of Dolby Laboratories.
Macrovision is a trademark of Macrovision Corporation.
–1–
7/9/97
Advance Information
CXD1930Q
[2] On-chip Audio Decoder
[5] On-Chip DEMUX
1. MPEG1 (ISO 11172-3) and MPEG2 (ISO 13818-3)
(up to 5+1 channels) (layer I and II) supporting bit
rates of up to 912Kbps (with extension bit stream).
2. Dolby Digital (up to 5+1 channels), supporting bit
rates of up to 448Kbps. Down-mixing to two outputs
is possible.
The CXD1930Q’s DEMUX will support DVD, VCD bit
streams and MPEG2 Transport Stream (e.g. for DVB
applications) up to 72Mbps.
[DVD]
— DVD standard-compatible. Also, DEMUX parses
VCD bit streams.
3. Supports linear PCM data.
4. IEC958 output interface for audio data and Dolby
Digital bit streams (S/PDIF output).
[MPEG2 Transport Stream Demultiplexing: DVB]
— MPEG2 transport streat (byte-aligned) parser:
32 PID filters, 16 sector hardware filters, PCR
processing and teletext filters.
The audio decoder of the CXD1930Q is designed with
proprietary Digital Signal Processor (DSP) technology so
that it can support various audio standards. MPEG2 and
Dolby Digital software will be provided.
[6] Host Interface
1. Interface to Hitachi SH* and Motorola 68K series
CPU.
[3] Letter Box Filter (LBX)
2. A maximum of 8Mbytes of linear address space is
required for the CXD1930Q address space.. The
HOST CPU can access all SDRAM address space
and the CXD1930Q internal registers directly (direct-
addressing).
1. Letter box format display/non-letter box format dis-
play
2. 4:2:0 to 4:2:2 chroma interpolation filter
3. Alpha blending
4. Pan-Scan: 1/8 pixel resolution
3. As the HOST data bus, 8-bit and 16-bit configura-
tions are both supported (on-the-fly configurable).
4. DMA write channel: the HOST CPU can write data
to the SDRAM local memory via the DMA channel.
5. Block read (pre-fetch read) is provided when the
HOST is accessing SDRAM.
[DVD mode]
•
•
720 x 480 (NTSC) / 576(PAL) field display
720 x 480(NTSC / 576(PAL) letter box (vertical
x 3/4)
•
720 x 480(NTSC) / 576(PAL) Pan-Scan
[VCD mode]
NTSC → PAL conversion (spatial and temporal)
[7] SDRAM Interface
•
1. Supports NEC, Fujitsu, Hitachi and various other
vendors’ SDRAM.
•
PAL → NTSC conversion (decimation) (spatial
and temporal)
2. 16Mbit single (16-bit bus) SDRAM up to 81MHz.
NTSC → PAL and PAL → NTSC conversion keeps
the audio-video synchronization.
[8] On-Chip Video Encoder (VENC) and Off-Chip VENC
Interface
[4] High Quality OSD and Sub-Picture Decoder
The CXD1930Q has the CXD1914Q which is Sony’s
equivalent NTSC/PAL video encoder. The CXD1914Q
feature supports:
1. 2bpp and 4bpp OSD: up to full size in frame resolu-
tion
2. 8bpp OSD: up to full size in field resolution
• Size of OSD window is dependent on the size of
OSD buffer allotted in SDRAM.
1. NTSC/PAL encoder mode
2. Composite video, separate Y/C video (S-video out-
put
3. The CXD1930Q supports SUBPICTURE decoding.
The sub-picture decoder can be used as the second
OSD unit (software controlled): 2bpp and 4bpp OSD.
This OSD option provides users the ability to add a
cursor-like pointer on top of another OSD window or
video image.
3. RGB/YUV (BetaCam/SMPTE level) signal out
4. 10-bit, 6-channel DAC
5. Closed caption encode
6. Macrovision pay-per-view protection system (NTSC
Rev. 7.0, PAL Rev. 6.1)
–2–
Advance Information
CXD1930Q
7. VBID encode
8. WSS encode
The CXD1930Q also has off-chip NTSC/PAL video
encoder interface so that when the Macrovision feature
is updated and users wish to use the updated
Macrovision, they can easily and quickly reconfigure the
systems (products).
[9] On-Chip PLL
The CXD1930Q integrates on-chip PLL for the
SDRAM and internal system (27MHz).
[10]Physical Spec
1. Total number of pins: 208
2. Package: PQFP
— lead pitch: 0.5mm
— depth: 28.0mm
— width: 28.0mm
— height: 3.45mm
3. Power dissipation: less than 1.2W
3. CMOS process: ASC5 (Sony) [0.4µm, 3-layer metal)
4. Supply voltage: 3.3V both digital and analog (sepa-
rate power source)
–3–
Advance Information
CXD1930Q
Figure 1. Block Diagram
Sony Semiconductor Company of America, 3300 Zanker Road, San Jose, CA 95134
Tel: 1-800-288-SONY Fax: 408-955-5176 URL: www.sony.com/semi
–4–
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