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9880 Datasheet(PDF) 6 Page - Intel Corporation

Part # 9880
Description  Advanced 10/100 Repeater with Intergrated Management
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Manufacturer  INTEL [Intel Corporation]
Direct Link  http://www.intel.com
Logo INTEL - Intel Corporation

9880 Datasheet(HTML) 6 Page - Intel Corporation

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LXT9860/9880 — Advanced 10/100 Repeater with Integrated Management
6
Datasheet
Document #: 248987
Revision#: 003
Rev Date: 08/07/01
Figures
1
LXT98x0 Block Diagram ..................................................................................... 11
2
LXT98x0 Pin Assignments .................................................................................. 12
3
Typical LXT988x Managed Repeater Architectures ........................................... 32
4
MII Interface ........................................................................................................ 34
5
LED Blink Rates .................................................................................................. 39
6
Serial LED Shift Loading .................................................................................... 40
7
Serial LED Port Signaling.................................................................................... 41
8
100 Mbps IRB Connection .................................................................................. 49
9
IRB Block Diagram ............................................................................................. 50
10
LXT9880 MII Operation ....................................................................................... 52
11
Typical SMI Bus Architecture ............................................................................. 52
12
SMI Collision Handling ........................................................................................ 54
13
SMI Address Match Indication ............................................................................ 54
14
Serial Management Frame Format ..................................................................... 55
15
Address Arbitration Mechanisms ....................................................................... 58
16
Optional R/W Serial PROM Interface .................................................................. 60
17
Serial Configuration Interface.............................................................................. 61
18
Serial Configuration Interface Signaling .............................................................. 61
19
8-Port Managed 10/100 Stackable Repeater ...................................................... 62
20
32-Port Managed 10/100 Repeater..................................................................... 62
21
Power and Ground Connections ......................................................................... 65
22
Typical Twisted-Pair Port Interface and Power Supply Filtering ........................ 67
23
Typical Serial Management Interface Connections............................................. 68
24
Serial Controller Connection Showing PAL......................................................... 68
25
Serial PROM Interface ........................................................................................ 69
26
Typical Reset Circuit .......................................................................................... 69
27
LED Circuits - Direct Drive & Multiplexed Configuration Inputs .......................... 70
28
Serial LED Circuit................................................................................................ 71
29
100 Mbps Backplane Connection between LXT98x and LXT98x0 ..................... 73
30
Typical 100 Mbps IRB Implementation ............................................................... 74
31
Typical 10 Mbps IRB Implementation ................................................................ 74
32
100 Mbps TP Port-to-Port Delay Timing ............................................................. 79
33
100BASE-TX MII-to-TP Port Timing ................................................................... 80
34
100BASE-TX TP-to-MII Timing ........................................................................... 81
35
10BASE-T MII-to-TP Timing ............................................................................... 82
36
10BASE-T TP-to-MII Timing ............................................................................... 83
37
100 Mbps TP-to-IRB Timing................................................................................ 84
38
10 Mbps TP-to-IRB Timing.................................................................................. 84
39
10 Mbps IRB-to-TP Port Timing .......................................................................... 85
40
Serial Management Interface Timing .................................................................. 86
41
PROM Interface Timing....................................................................................... 87
42
LXT98x0 Package Specifications for Commercial Temperature....................... 117
43
LXT98x0 Package Specifications for Extended Temperature........................... 118


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