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| 型號： | CS1311 |
| 文件頁數(shù)： | 1/25頁 |
| 文件大?。?/td> | 542K |
| 代理商： | CS1311 |
2002 National Semiconductor Corporation
1
www.national.com
G
General Description
The National Semiconductor
CS1311 multimedia companions act as coprocessors to
decode multimedia in National’s Geode single chip proces-
sor-based systems (i.e., SC1200/SC1201, SC2200, and
SC3200, hereafter referred to as SCx200). They provide a
multimedia experience for an Information Appliance (IA)
user that cannot typically be achieved on a PC.
Geode CS1301 and
By implementing a dedicated coprocessor to perform multi-
media tasks, a high quality video viewing experience can
be achieved. This high quality is achieved by having a
coprocessor architecture that is ideally suited for decoding
digital media. In addition, since the decoding is not occur-
ring on the SCx200, system events cannot interrupt the
coprocessor’s task of decoding media and thereby causing
stuttering of sound or interruptions in the video.
Lower power consumption can also be achieved using the
SCx200/CS1301
or
SCx200/CS1311
CS1301/CS1311 has an architecture specifically designed
for decoding media. The architecture is such that while
decoding media, power is not consumed by portions of the
system that are not used to decode media. Since the
SCx200 is not decoding the media locally, it is able to go
into a lower power state. When the CS1301/CS1311 is not
decoding media, it uses almost no power.
solution.
The
Additionally, since the architecture is designed for decoding
media, fewer CS1301/CS1311 cycles are required.
Internal Block Diagram
2/4/6/8 Ch. Digital Audio
16/32-Bit Data I
2
S DC,
up to 22 MHz AO_SCK
IEC958 up to 40 Mbit/sec
Huffman Decoder
Slice-At-A-Time
MPEG-1 & 2
CCIR-656 Digital Video
32-Bit Data
(up to 664 MB/sec)
Down and Up Scaling
YUV --> RGB
(50 Mpix/sec)
PCI V2.1 (32 bits, 33 MHz)
External Bus
ACCESS.bus Interface
to EEPROM
Video In
SDRAM
PCI Interface
Video Out
Audio In
Audio Out
S/PDIF Out
ACCESS.bus
Interface
VLD
Coprocessor
Timers
VLIW
CPU
32K I$
16K D$
Image
Coprocessor
Main Memory Interface
Stereo Digital Audio
8/16-bit data I
2
S DC,
up to 22 MHz AI_SCK
CCIR-656 Digital Video
YUV 4:2:2 up to 81 MHz
(40 Mpix/sec)
Preliminary
August 2002
Revision 2.2
Geode CS1301/CS1311 Multimedia Companion:
Media Coprocessor
National Semiconductor and Virtual System Architecture are registered trademarks of National Semiconductor Corporation.
Geode, MacPHYTER, WebPAD, and VSA are trademarks of National Semiconductor Corporation.
For a complete listing of National Semiconductor trademarks, please visit www.national.com/trademarks.
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| CS1329 | 制造商:Abbatron/HH Smith 功能描述:FEDD-THRU, CS1329 |
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| CS13-3 | 制造商:Datak Corporation 功能描述: |
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| CS1332-000 | 功能描述:55PC0211-24-96 制造商:te connectivity aerospace, defense and marine 系列:* 零件狀態(tài):有效 標(biāo)準(zhǔn)包裝:1 |
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