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PDF CS1311 Data sheet ( Hoja de datos )
| Número de pieza | CS1311 | |
| Descripción | (CS1301 / CS1311) Media Coprocessor | |
| Fabricantes | National Semiconductor | |
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Preliminary
August 2002
Revision 2.2
Geode™ CS1301/CS1311 Multimedia Companion:
Media Coprocessor
General Description
The National Semiconductor® Geode™ CS1301 and
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.
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 solution. The
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.
Additionally, since the architecture is designed for decoding
media, fewer CS1301/CS1311 cycles are required.
Internal Block Diagram
CCIR-656 Digital Video
YUV 4:2:2 up to 81 MHz
(40 Mpix/sec)
Stereo Digital Audio
8/16-bit data I2S DC,
up to 22 MHz AI_SCK
Huffman Decoder
Slice-At-A-Time
MPEG-1 & 2
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32-Bit Data
(up to 664 MB/sec)
Main Memory Interface
Video In
Video Out
Audio In
VLD
Coprocessor
Timers
Audio Out
S/PDIF Out
ACCESS.bus
Interface
CCIR-656 Digital Video
2/4/6/8 Ch. Digital Audio
16/32-Bit Data I2S DC,
up to 22 MHz AO_SCK
IEC958 up to 40 Mbit/sec
ACCESS.bus Interface
to EEPROM
VLIW 32K I$
CPU 16K D$
Image
Coprocessor
PCI Interface
Down and Up Scaling
YUV --> RGB
(50 Mpix/sec)
External Bus
PCI V2.1 (32 bits, 33 MHz)
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.
© 2002 National Semiconductor Corporation
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System Architecture (Continued)
1.2.3 Software Architecture Overview
Figure 1-2 demonstrates the interaction between the vari-
ous software layers.
Note: The shaded boxes indicate components provided
by Microsoft Corporation.
Windows Media Player
ActiveX Control
Filter Graph Manager
File Source
DirectShow Filter
TMComm
Geode™ SCx200
TMMan32/HostComm/LibLoad/TMCRT
wTwMwM.aDnaDtarivSehr eGeeto4dUe .Pcaormt
Geode™ CS1301/CS1311
TMMan Driver TM Part
TMMan32/HostComm/LibLoad/TMCRT
CommTM
Video Renderer
DAC
To SCx200
Video Input Port
ExolTMpeg Application
TSSA*
TRead
Demux
Video
Decoder
Audio
Decoder
VTransCrystal
* TriMedia Streaming Software Architecture
Figure 1-2. Software Architecture Diagram
Revision 2.2
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5
Video Renderer
Audio Renderer
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Signal Definitions (Continued)
Table 2-2. Ball Assignment Sorted by Ball Number (Continued)
Ball No.
L9
L10
L11
L12
L13
L17
L18
L19
L20
M1
M2
M3
M4
M8
M9
M10
M11
M12
M13
M17
M18
M19
M20
N1
N2
N3
N4
N8
N9
N10
N11
N12
N13
N17
N18
N19
N20
P1
P2
P3
P4
P17
P18
P19
P20
R1
R2
R3
R4
Signal Name
VSS
VSS
VSS
VSS
VSS
VCC
VCC
VSSQ
TRI_CLKIN
PCI_AD09
PCI_AD08
PCI_C/BE0#
VDD
VSS
VSS
VSS
VSS
VSS
VSS
VDD
VO_DATA3
VO_DATA4
VO_DATA5
PCI_AD07
PCI_AD06
VDD
VDD
VSS
VSS
VSS
VSS
VSS
VSS
VDD
VDD
VO_DATA1
VO_DATA2
PCI_AD05
PCI_AD04
VCC
VCC
VCC
VCC
TESTMODE
VO_DATA0
PCI_AD03
PCI_AD02
PCI_AD01
VCC
Type
GND
GND
GND
GND
GND
PWR
PWR
GND
I
I/O
I/O
I/O
PWR
GND
GND
GND
GND
GND
GND
PWR
O
O
O
I/O
I/O
PWR
PWR
GND
GND
GND
GND
GND
GND
PWR
PWR
O
O
I/O
I/O
PWR
PWR
PWR
PWR
I
O
I/O
I/O
I/O
PWR
Ball No. Signal Name
Type
R17
VCC
PWR
R18 MM_DQM1
O
R19 IIC_SDA
I/OD
R20 IIC_SCL
I/OD
T1 PCI_AD00
I/O
T2 PCI_CLK
I
T3 VSS
GND
T4 VSS
GND
T17 VSS
GND
T18 MM_DQ07
I/O
T19 MM_DQM0
O
T20 BOOT_CLK
I
U1 MM_CKE1
O
U2 MM_CS0#
O
U3 MM_CS2#
O
U4 VSS
GND
U5 VSS
GND
U6 VCC
PWR
U7 VCC
PWR
U8 VDD
PWR
U9 VDD
PWR
U10
VCC
PWR
U11
VCC
PWR
U12www.DVDaD taSheet4U.coPWmR
U13
VDD
PWR
U14
VCC
PWR
U15
VCC
PWR
U16
VSS
GND
U17
VSS
GND
U18 MM_DQ04
I/O
U19 MM_CS3#
O
U20 MM_CS1#
O
V1 MM_DQM2
O
V2 MM_DQ24
I/O
V3 MM_DQ25
I/O
V4 MM_DQM3
O
V5 VSS
GND
V6 MM_DQ19
I/O
V7 VCC
PWR
V8 VDD
PWR
V9 MM_A06
O
V10 VCC
PWR
V11 VCC
PWR
V12 MM_A10
O
V13 VDD
PWR
V14 VCC
PWR
V15 MM_DQ15
I/O
V16 VSS
GND
V17 MM_DQ09
I/O
Ball No.
V18
V19
V20
W1
W2
W3
W4
W5
W6
W7
W8
W9
W10
W11
W12
W13
W14
W15
W16
W17
W18
W19
W20
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Y9
Y10
Y11
Y12
Y13
Y14
Y15
Y16
Y17
Y18
Y19
Y20
Signal Name
MM_DQ01
MM_DQ05
MM_DQ06
MM_DQ26
MM_DQ27
MM_DQ30
MM_DQ23
MM_DQ21
MM_DQ18
MM_DQ16
MM_A08
MM_A05
MM_CLK1
MM_A02
MM_A00
MM_A12
MM_RAS#
MM_WE#
MM_DQ13
MM_DQ11
MM_DQ08
MM_DQ02
MM_DQ03
MM_DQ28
MM_DQ29
MM_DQ31
MM_DQ22
MM_DQ20
MM_DQ17
MM_A09
MM_A07
MM_A04
MM_CLK0
MM_A03
MM_A01
MM_A11
MM_A13
MM_CAS#
MM_DQ14
MM_DQ12
MM_DQ10
MM_CKE0
MM_DQ00
Type
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
I/O
I/O
I/O
O
I/O
Revision 2.2
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| PDF Descargar | [ Datasheet CS1311.PDF ] | |
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