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參數(shù)資料
| 型號： | DM9081F |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 10BASE-T Hub Controller |
| 中文描述： | 10Base - T集線器控制器 |
| 文件頁數(shù)： | 1/22頁 |
| 文件大小： | 188K |
| 代理商： | DM9081F |
DM9081
10BASE-T Hub Controller
Final
Version: DM9081-DS-F01
April 22, 1997
1
General Description
The 10BASE-T Hub Controller (DM9081) provides a
system level solution for designing IEEE-compliant 802.3
repeaters that incorporate 10BASE-T transceivers. This
device integrates the repeater functions specified by
section 9 of the IEEE 802.3 standard. The Twisted Pair
transceiver is compliant with 10BASE-T standards. The
DM9081 provides eight integral Twisted Pair Media
Attachment Units (MAUs) and two Attachment Unit
Interface (AUI) ports in a 100-pin QFP package.
The total number of ports per repeater unit can be
increased by connecting multiple DM9081 chips via
their expansion ports. The DM9081 supports LED drivers
to monitor port status. It displays Link, Carrier Sense,
Collision, Partition, and Bit Rate Error Status. In
minimum mode, Link, Carrier Sense, and Collision Status
can be displayed without external TTL devices.
Block Diagram
TX
MUX
PREAMBLE
JAM SIGNAL
FIFO
MANCHESTER
DECODER
RX
MUX
AUI
PORT1
AUI
PORT2
TP
PORT0
TP
PORT7
PLL
MANCHESTER
ENCODER
*
*
*
*
*
DATA IN
DATA OUT
MUX
STATE
MACHINE
TIMER
LED PORT2
LED PORT1
EXPANSION
PORT
NRZ DATA
EXPIN#
EXPOUT#
DAT
RXP1
RXN1
CDP1
CDN1
TXP1
TXN1
RXP2
RXN2
CDP2
CDN2
TXP2
TXN2
RXD0+
RXD0-
TPO0+
DTPO0+
DTPO0-
TPO0-
RXD7+
RXD7-
TPO7+
DTPO7+
DTPO7-
TPO7-
A
A
C
A
T
T
T
T
T
T
T
L
RX_CLK
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DM9081FP | 制造商:DAVICOM 制造商全稱:DAVICOM 功能描述:10BASE-T Hub Controller |
| DM9093 WAF | 制造商:Texas Instruments 功能描述: |
| DM9093J/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:J-K-Type Flip-Flop |
| DM9093N/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:J-K-Type Flip-Flop |
| DM9093N/B+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:J-K-Type Flip-Flop |
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