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CXD1930Q Fiches technique(PDF) 2 Page - Sony Corporation

No de pièce CXD1930Q
Description  MPEG Video Decoder
Download  4 Pages
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Fabricant  SONY [Sony Corporation]
Site Internet  http://www.sony.co.jp
Logo SONY - Sony Corporation

CXD1930Q Fiches technique(HTML) 2 Page - Sony Corporation

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Advance Information
CXD1930Q
–2–
[2] On-chip Audio Decoder
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.
3. Supports linear PCM data.
4. IEC958 output interface for audio data and Dolby
Digital bit streams (S/PDIF output).
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.
[3] Letter Box Filter (LBX)
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
[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)
PAL
→ NTSC conversion (decimation) (spatial
and temporal)
NTSC
→ PAL and PAL → NTSC conversion keeps
the audio-video synchronization.
[4] High Quality OSD and Sub-Picture Decoder
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.
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.
[5] On-Chip DEMUX
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.
[MPEG2 Transport Stream Demultiplexing: DVB]
— MPEG2 transport streat (byte-aligned) parser:
32 PID filters, 16 sector hardware filters, PCR
processing and teletext filters.
[6] Host Interface
1.
Interface to Hitachi SH* and Motorola 68K series
CPU.
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).
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.
[7] SDRAM Interface
1.
Supports NEC, Fujitsu, Hitachi and various other
vendors’ SDRAM.
2.
16Mbit single (16-bit bus) SDRAM up to 81MHz.
[8] On-Chip Video Encoder (VENC) and Off-Chip VENC
Interface
The CXD1930Q has the CXD1914Q which is Sony’s
equivalent NTSC/PAL video encoder. The CXD1914Q
feature supports:
1.
NTSC/PAL encoder mode
2.
Composite video, separate Y/C video (S-video out-
put
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)


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