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參數(shù)資料
| 型號： | MB86391 |
| 廠商： | Fujitsu Limited |
| 英文描述： | MPEG2 1chip Audio/Video Encoder |
| 中文描述： | 的MPEG2 1chip音頻/視頻編碼器 |
| 文件頁數(shù)： | 37/69頁 |
| 文件大?。?/td> | 847K |
| 代理商： | MB86391 |
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FUJITSU LIMITED
Proprietary and Confidential
MB86391 12, November 2001
Product Specification
Rev. 1.1
33
3.3 SDRAM Interface for Video Encoding
The SDRAM interface for video encoding controls access to an external SDRAM that the video encoder built
into this LSI uses to encode video input data.
Connect either two 16Mbit (512K
×
16bit
×
2bank configuration) SDRAMs or one 64Mbit (512K
×
32bit
×
4bank
configuration) SDRAM. Fig. 3.3 shows an example 64Mbit SDRAM connection.
Note:
Install the MB86391 and the SDRAM as physically close as possible.
Pull up the SDCLK signal line with a resistance of 200
in the vicinity of the SDRAM. The
SDCLK signal line must be in a pattern of a single stroke, from the MB86391, the sending
end, through the SDRAM CLK to the point of connection to the pull
up resistance.
Other signal lines do not require any particular handling such as pull
up. However, take
care to avoid unnecessary routing when designing patterns.
Fig. 3.3: Example video encoding SDRAM interface connection
SDADRS11:0
SDDATA31:0
SDDQM
XSDWE
XSDCAS
XSDRAS
MB86391
BA1, A10:0
DQ31:0
DQM3:0
WE
CAS
RAS
64Mbit SDRAM
(
MB81F643242B and others
)
Video encoding
SDRAM
interface
SDCLK
XSDCS
SDCKE
CS
CKE
CLK
BA0
‘Fixed to H’ or ‘L’
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| MB86391PSC-G-BNDE1 | 制造商:FUJITSU 功能描述: |
| MB86393 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:MPEG-2 Single Chip Audio/Video Encoder |
| MB86434 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:5V Single Power Supply Audio Interface Unit (AIU) |
| MB86434PF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:5V Single Power Supply Audio Interface Unit (AIU) |
| MB86435 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:3 V Single Power Supply Audio Interface Unit (AIU) |
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