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參數(shù)資料
| 型號(hào)： | DM9081 |
| 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)： | 3/22頁 |
| 文件大?。?/td> | 188K |
| 代理商： | DM9081 |
DM9081
Final
Version: DM9081-DS-F01
April 22, 1997
3
Features
Repeater functions comply with IEEE 802.3 Repeater
Unit specification
Eight Integral 10BASE-T transceivers utilize the
required pre-distortion transmission technique
Two Attachment Unit Interface (AUI) ports allow
connection with 10BASE5 (Ethernet) and 10BASE2
(Cheapernet) networks
Design a Dumb Hub in minimum mode by using
minimum external logic that can respond to Link,
Carrier Sense and Collision Status from LED
Supports one LED output per port for additional status
indicators such as Link, Partition, Carrier Sense, etc.
Built-in Jabber LED reports global Jabber information
of the DM9081 Hub
Built-in Traffic LED indicates Hub global 10MHz
bandwidth utilization status
Expandable to accommodate two DM9081 connections,
with no external logic required
On board PLL, Manchester encoder/decoder and FIFO
Expandable to accommodate increased number of
repeater ports. Recommended IC cascade number: under
3 and inclusive
Preamble loss effects eliminated by deep FIFO
Each port can be isolated (partitioned) and reconnected
separately
Twisted Pair Link Test capability
Full amplitude and timing regeneration for
retransmitted signals
Low power CMOS process with single 5V supply
100-pin QFP package
Pin Configuration
DTPO3-
TPO3-
DV
DD
DV
DD
LI/RX7
LI/RX6
LI/RX5
LI/RX4
DV
DD
LI/RX3
LI/RX1
LI/RX0
LI/RX2
AUI1_CRS_LED
X1
COL_LED
RESET#
TESTPIN1
TESTPIN0
DGND
EXPIN#
DAT
EXPOUT#
TCK
NC
X2
NC
DV
DD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
28
30
27
29
80
79
78
77
76
75
74
72
73
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
CDP2
CDN2
RXP2
RXN2
TXP2
TXN2
CDP1
CDN1
RXP1
AGND
RXD0-
RXD1+
RXD2-
RXD3+
RXD3-
RXD4+
RXD4-
RXD5+
RXD5-
RXD6+
RXD6-
RXD7+
RXD7-
5
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
3
3
D
D
T
D
D
T
D
T
D
D
T
D
D
T
D
D
T
D
T
D
D
T
8
8
8
8
8
8
8
8
8
9
9
9
9
9
9
9
9
9
9
1
T
D
D
D
T
A
A
DM9081F
DGND
D
D
T
D
T
D
T
D
D
T
D
D
T
D
AUI1_CRS_LED
RXD2+
RXD1-
RXD0+
AV
DD
TXN1
TXP1
RXN1
D
LED_LATCH
AUI_LED
TP_BIT_LED
TP_POL_LED
TP_JAB_LED
TRAFFIC_LED
TP_PAR_LED
TP_LINK_LED
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PDF描述 |
|---|---|
| DM9081F | 10BASE-T Hub Controller |
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| DM9095L | Twisted-Pair Medium Attachment Unit |
| DM9102D | SINGLE CHIP FAST ETHEMET NIC CONTROLLER |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DM9081_01 | 制造商:DAVICOM 制造商全稱:DAVICOM 功能描述:10BASE-T Hub Controller |
| DM9081F | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:10BASE-T Hub Controller |
| 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 |
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