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參數(shù)資料
| 型號： | DM9161A |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 10/100 MBPS FAST ETHEMET PHYSICAL LAYER SINGLE CHIP TRANSCEIVER |
| 中文描述： | 10/100 Mbps快速以太網(wǎng)物理層單芯片收發(fā)器 |
| 文件頁數(shù)： | 15/45頁 |
| 文件大?。?/td> | 1206K |
| 代理商： | DM9161A |
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Preliminary
16
Version: DM9161A-DS-P04
Jan.19, 2005
7.2 100Base-TX Operation
The 100Base-TX transmitter receives 4-bit nibble data
clocked in at 25MHz at the MII, and outputs a scrambled
5-bit encoded MLT-3 signal to the media at 100Mbps. The
on-chip clock circuit converts the 25MHz clock into a
125MHz clock for internal use.
The IEEE 802.3u specification defines the Media
Independent Interface. The interface specification defines
a dedicated receive data bus and a dedicated transmit
data bus.
These two busses include various controls and signal
indications that facilitate data transfers between the
DM9161A and the Reconciliation layer.
7.2.1 100Base-TX Transmit
The 100Base-TX transmitter consists of the functional
blocks shown in figure 7-3. The 100Base-TX transmit
section converts 4-bit synchronous data provided by the
MII to a scrambled MLT-3 125, a million symbols per
second serial data stream.
MII
Signals
MII
Interface/
Control
4B/5B
Encoder
4B/5B
Decoder
Register
Code-
group
Alignment
Descrambler
Serial to
Parallel
NRZI
to
NRZ
RX
CRM
MLT-3 to
NRZI
Adaptive
EQ
Digital
Logic
Scrambler
Parallel
to Serial
NRZ
to
NRZI
NRZI to
MLT-3
MLT-3
Driver
Rise/Fall
Time
CTL
TX CGM
LED
Driver
Collision
Detection
Carrier
Sense
Auto-
Negotiation
10BASE-T
Module
RX
TX
125M CLK
25M CLK
LED1-4#
25M OSCI
RXI+/-
RXI+/-
10TXD+/-
100TXD+/-
Figure 7-3
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DM9161A_09 | 制造商:DAVICOM 制造商全稱:DAVICOM 功能描述:10/100 Mbps Fast Ethernet Physical Layer Single Chip Transceiver |
| DM9161AE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:10/100 MBPS FAST ETHEMET PHYSICAL LAYER SINGLE CHIP TRANSCEIVER |
| DM9161AEP | 制造商:DAVICOM 制造商全稱:DAVICOM 功能描述:10/100 Mbps Fast Ethernet Physical Layer Single Chip Transceiver |
| DM9161B | 制造商:DAVICOM 制造商全稱:DAVICOM 功能描述:10/100 Mbps Fast Ethernet Physical Layer Single Chip Transceiver |
| DM9161BEP | 制造商:DAVICOM 功能描述:IC TRX 10/100MBPS ENET PHY48LQFP 制造商:DAVICOM 功能描述:IC, TRX, 10/100MBPS, ENET PHY,48LQFP 制造商:DAVICOM 功能描述:IC, TRX, 10/100MBPS, ENET PHY,48LQFP; Data Rate:100Mbps; Ethernet Type:IEEE 802.3 / 802.3u; Supply Voltage Min:3.135V; Supply Voltage Max:3.465V; Digital IC Case Style:LQFP; No. of Pins:48; Interface Type:MII; Operating Temperature ;RoHS Compliant: Yes |
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