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Número de pieza | 82562ET | |
Descripción | 82562ET 10/100 Mbps Platform LAN Connect (PLC) | |
Fabricantes | Intel Corporation | |
Logotipo | ||
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No Preview Available ! 82562ET 10/100 Mbps Platform LAN
Connect (PLC)
Networking Silicon
Datasheet
Product Features
s IEEE 802.3 10BASE-T/100BASE-TX
compliant physical layer interface
s IEEE 802.3u Auto-Negotiation support
s Digital Adaptive Equalization control
s Link status interrupt capability
s XOR tree mode support
s 3-port LED support (speed, link and
activity)
s 10BASE-T auto-polarity correction
s LAN Connect Interface
s Diagnostic loopback mode
s 1:1 transmit transformer ratio support
s Low power (less than 300 mW in active
transmit mode)
s Reduced power in “unplugged mode” (less
than 50 mW)
s Automatic detection of “unplugged mode”
s 3.3 V device
s 48-pin Shrink Small Outline Package
Revision 1.3
March 2003
1 page Networking Silicon — 82562ET
Contents
1.0 Introduction......................................................................................................................... 1
1.1 Overview ............................................................................................................... 1
1.2 Features ................................................................................................................ 1
1.3 References ............................................................................................................ 1
2.0 82562ET Architectural Overview........................................................................................ 3
3.0 82562ET Signal Descriptions ............................................................................................. 5
3.1 Signal Type Definitions ......................................................................................... 5
3.2 Twisted Pair Ethernet (TPE) Pins .........................................................................5
3.3 External Bias Pins ................................................................................................ 5
3.4 Clock Pins ............................................................................................................ 6
3.5 Platform LAN Connect Interface Pins....................................................................6
3.6 LED Pins .............................................................................................................. 7
3.7 Miscellaneous Control Pins .................................................................................. 7
3.8 Power and Ground Connections .......................................................................... 8
4.0 Voltage and Temperature Specifications ...........................................................................9
4.1 Absolute Maximum Ratings................................................................................... 9
4.2 DC Characteristics ............................................................................................... 9
4.2.1 X1 Clock DC Specifications ..................................................................... 9
4.2.2 LAN Connect Interface DC Specifications .............................................10
4.2.3 LED DC Specifications .......................................................................... 10
4.2.4 10BASE-T Voltage and Current DC Specifications ............................... 10
4.2.5 100BASE-TX Voltage and Current DC Specifications ..........................11
5.0 Package and Pinout Information ...................................................................................... 13
5.1 Package Information ........................................................................................... 13
5.2 Pinout Information ............................................................................................... 14
5.2.1 82562ET Pin Assignments .................................................................... 14
5.2.2 82562ET Shrink Small Outlying Package Diagram ............................... 15
Datasheet
v
5 Page 3.0
3.1
3.2
3.3
Networking Silicon — 82562ET
82562ET Signal Descriptions
Signal Type Definitions
Type
I
O
I/O
MLT
B
DPS
APS
Name
Description
Input
Input pin to the 82562ET.
Output
Output pin from the 82562ET.
Input/Output Multiplexed input and output pin to and from the 82562ET.
Multi-level
analog I/O
Multi-level analog pin used for input and output.
Bias
Bias pin used for ground connection through a resistor or an external voltage
reference.
Digital Power
Supply
Digital power or ground pin for the 82562ET.
Analog Power
Supply
Analog power or ground pin for the 82562ET.
Twisted Pair Ethernet (TPE) Pins
Pin Name
Pin
Number
Type
Description
TDP
TDN
RDP
RDN
10 MLT Transmit Differential Pair. The transmit differential pair sends serial bit
11 streams to the unshielded twisted pair (UTP) cable. The differential pair is
a two-level signal in 10BASE-T (Manchester) mode and a three-level
signal in 100BASE-TX mode (MLT-3). These signals directly interface with
the isolation transformer.
15 MLT Receive Differential Pair. The receive differential pair receive the serial
16 bit stream from an unshielded twisted pair (UTP) cable. The differential
pair is a two-level signal in 10BASE-T mode (Manchester) or a three-level
signal in 100BASE-TX mode (MLT-3). These signals directly interface with
an isolation transformer.
External Bias Pins
Pin Name
Pin
Number
Type
Description
RBIAS10
4
RBIAS100 5
B Bias Reference Resistor 10. This pin should be connected to a 549 Ω
pull-down resistor.a
B Bias reference Resistor 100. This pin should be connected to a 619 Ω
pull-down resistor.b
a. 549 Ω for RBIAS10 is only a recommended value and should be fine tuned for various designs.
b. 619 Ω for RBIAS100 is only a recommended value and should be fine tuned for various designs.
Datasheet
5
11 Page |
Páginas | Total 21 Páginas | |
PDF Descargar | [ Datasheet 82562ET.PDF ] |
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