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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)： | 30/69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
26
3.1.2 Internal Controller Master Accessing
Shown below are diagrams of timing according to which the MB86391 internal controller
accesses peripheral chips (such as the MPEG2 decoder LSI) connected to this interface.
3.1.2.1 External Resource Accessing
(a) Write
Fig. 3.1.2.1a: External resource access timing (Write)
(1) The MB86391 sets XREADY to Hi
Z and asserts XBUSEN to prepare for accessing.
(2) With XCSn (n = 5,4) asserted, the controller selects an external resource and, in conjunction with
XAS assertion, outputs valid data to XRDWR, ADRS27:26, 17:2 and D31:0.
(3) When the external resource asserts the XREADY signal, the MB86391 negates XCSn (n = 5,4)
and sets XRDWR to ’H’ (read, normal state) at the same time as the selection is cancelled
(4) The controller negates the XBUSEN and XREADY signals to reset to its normal state.
Note:
The external resource needs to be set to Hi
Z after setting XREADY to 'H.'
BCLK(O)
XBREQ(I)
XBMREQ(I)
XBGRNT(O)
XRDWR(I/O)
XAS(I/O)
ADRS27:26, 17:2
(I/O)
D31:0(I/O)
XREADY(I/O)
XBUSEN(O)
BUSDIR(O)
XCS5,4(O)
All ‘H’
All ‘H’
All ‘H’
All ‘H’
WD
WD
WA
WA
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| MB86391PSC-G-BNDE1 | 制造商:FUJITSU 功能描述: |
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| 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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