파트넘버.co.kr STE400P 데이터시트 PDF


STE400P 반도체 회로 부품 판매점

10/100 Fast Ethernet 4 Port Transceiver



ST Microelectronics 로고
ST Microelectronics
STE400P 데이터시트, 핀배열, 회로
STE400P
10/100 FAST ETHERNET 4 PORT TRANSCEIVER
1 GENERAL DESCRIPTION
The STE400P, also referred to as STEPHY4, is a
high performance Fast Ethernet physical layer inter-
face for 10BASE-T and 100BASE-TX applications.
It was designed with advanced CMOS technology to
provide a Media Independent Interface (MII) for easy
attachment to 10/100 Media Access Controllers
(MAC) and a physical media interface for 100BASE-
TX of IEEE802.3u and 10BASE-T of IEEE802.3.
The STE400P supports both half-duplex and full-du-
plex operation, at 10 and 100 Mbps operation. Its op-
erating mode can be set using auto-negotiation,
parallel detection or manual control. It also allows for
the support of auto-negotiation functions for speed
and duplex detection.
2 FEATURES
2.1 INDUSTRY STANDARD
s IEEE802.3u 100BASE-TX and IEEE802.3
Figure 1. BLOCK DIAGRAM FOR 1 PORT
PQFP208
ORDERING NUMBER: STE400P
10BASE-T compliant
s Support for IEEE802.3x flow control
s IEEE802.3u Auto-Negotiation support for
10BASE-T and 100BASE-TX
s MII interface
s Standard CSMA/CD or full duplex supported
LEDS
LEDS
TX_CLK
TXD[3:0]
TX_ER
TX_EN
MDC
MDIO
100Mb/s
4B/5B
TX Channel
Scrambler
Parallel to
Serial
NRZ To NRZI
Encoder
10Mb/s
NRZ To Manchester
Encoder
Link Pulse
Generator
REGISTERS
Auto
Negotiation
Binary To MLT3
Encoder
10 TX
Filter
Loopback
TRANSMITTER
10/100
TXP
TXN
Clock
Generation
System
Clock
RXD[3:0]
RX_ER
RX_DV
RX_CLK
COL
CRS
HW
configuration
pins
HW Config
Power Down
100Mb/s
Descrambler
4B/5B Code Align
RX Channel
Serial to
Parallel
NRZI To NRZ
Decoder
Binary To MLT3
Decoder
Clock Recovery
Adaptive
Equalization
BaseLine
Wander
10Mb/s
NRZ To Manchester
Encoder
Link Pulse
Detector
10 TX Filter
Clock Recovery
SMART
Squelch
RECEIVER
10/100
RXP
RXN
November 2002
This is preliminary information on a new product now in development. Details are subject to change without notice.
Version: A11
www.DataSheet4U.com
1/36


STE400P 데이터시트, 핀배열, 회로
STE400P
Table of Contents
1 GENERAL DESCRIPTION................................................................................................................. 1
2 FEATURES ........................................................................................................................................1
2.1 Industry standard .....................................................................................................................1
2.2 Physical Layer..........................................................................................................................3
2.3 LED Display ............................................................................................................................. 3
3 System Diagram of the STE400P Application....................................................................................3
4 Pin Assignment Diagram ...................................................................................................................4
5 Operational description ....................................................................................................................10
5.1 Resetting the STE400P..........................................................................................................10
5.2 Isolate Mode...........................................................................................................................10
5.3 Loopback Mode......................................................................................................................10
5.4 Full Duplex Mode ...................................................................................................................10
5.5 100BASE-T MODE ................................................................................................................10
6 Registers and Descriptors Description .............................................................................................10
6.1 MII Management Interface .....................................................................................................11
6.2 Register List ...........................................................................................................................11
6.3 Register Descriptions .............................................................................................................12
7 Device Operation..............................................................................................................................21
7.1 100BASE-TX Transmit Operation ..........................................................................................21
7.2 100BASE-TX Receiving Operation ........................................................................................22
7.3 10BASE-T Transmission Operation .......................................................................................22
7.4 10BASE-T Receive Operation ...............................................................................................22
7.5 Loop-back Operation..............................................................................................................22
7.6 Full Duplex and Half Duplex Operation..................................................................................23
7.7 Auto-Negotiation Operation....................................................................................................23
7.8 Power Down Operation ..........................................................................................................23
7.9 LED Display Operation...........................................................................................................23
7.10 Reset Operation .....................................................................................................................23
7.11 Preamble Suppression ...........................................................................................................24
7.12 Remote Fault..........................................................................................................................24
7.13 Transmit Isolation...................................................................................................................24
8 Electrical Specifications and Timings ...............................................................................................25
2/36




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