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參數(shù)資料
| 型號(hào)： | 80931HA |
| 廠商： | Intel Corp. |
| 英文描述： | Universal Serial Bus Peripheral Controller(通用串行總線HUB外設(shè)微控制器) |
| 中文描述： | 通用串行總線外設(shè)控制器（通用串行總線集線器外設(shè)微控制器） |
| 文件頁(yè)數(shù)： | 3/26頁(yè) |
| 文件大?。?/td> | 195K |
| 代理商： | 80931HA |
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Advance Information Datasheet
3
8x931AA/8x931HA
Contents
1.0
About This Document
..............................................................................................5
1.1
Additional Information Sources .............................................................................5
1.2
Electronic Information............................................................................................5
1.3
Product Summary..................................................................................................6
Nomenclature Overview
..........................................................................................8
Pinout
..............................................................................................................................9
3.1
8x931HA 68-pin PLCC Package...........................................................................9
3.2
8x931AA 68-pin PLCC Package.........................................................................10
Signals
..........................................................................................................................13
Electrical Characteristics
......................................................................................16
5.1
Operating Frequencies........................................................................................17
5.2
DC Characteristics ..............................................................................................18
5.3
Explanation of Timing Symbols...........................................................................19
5.4
System Bus AC Characteristics ..........................................................................20
5.4.1
System Bus Timing Diagrams................................................................21
5.5
AC Characteristics — Synchronous Mode 0.......................................................22
5.6
External Clock Drive............................................................................................23
5.7
Testing Waveforms .............................................................................................23
Thermal Characteristics
........................................................................................24
Design Considerations
..........................................................................................24
7.1
Low Clock Mode Frequency................................................................................24
7.2
Setting RXFFRC Bit Clears Only the Oldest Packet in the FIFO ........................25
7.3
Series Resistor Requirement for Impedance Matching.......................................25
7.4
Pullup Resistor Requirement for 8x931 devices .................................................25
7.5
Powerdown Mode Cannot Be Invoked Before USB Suspend.............................25
7.6
Unused Downstream Ports .................................................................................25
7.7
ECAP Usage to Supply 3.0 to 3.1 Volts for 1.5K Ohm Pullup.............................25
8x931 Errata
................................................................................................................26
Datasheet Revision History
.................................................................................26
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
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