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| 型號： | DM9000AEP |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Ethernet Controller with General Processor Interface |
| 中文描述： | 以太網(wǎng)控制器與通用處理器接口 |
| 文件頁數(shù)： | 44/56頁 |
| 文件大小： | 1744K |
| 代理商： | DM9000AEP |
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DM9000A
Ethernet Controller with General Processor Interface
Preliminary datasheet
Version: DM9000A-DS-P03
Apr. 21, 2005
44
9.11 Power Reduced Mode
The Signal detect circuit is always turned to monitor whether
there is any signal on the media (cable disconnected). The
DM9000A automatically turns off the power and enters the
Power Reduced mode, whether its operation mode is
N-way or force mode. When enters the Power Reduced
mode, the transmit circuit still sends out fast link pules with
minimum power consumption. If a valid signal is detected
from the media, which might be N-ways fast link pules,
10Base-T normal link pules, or 100Base-TX MLT3 signals,
the device will wake up and resume a normal
operation mode.
That can be writing Zero to PHY Reg. 16.4 to disable Power
Reduced mode.
9.11.1 Power Down Mode
The PHY Reg.0.11 can be set high to enter the Power
Down mode, which disables all transmit and receive
functions, except the access of PHY registers.
9.11.2 Reduced Transmit Power Mode
The additional Transmit power reduction can be
gained by designing with 1.25:1 turns ration magnetic
on its TX side and using a 8.5K
and AGND pins, and the TXO+/TXO- pulled high
resistors should be changed from 50
This configuration could be reduced about 20%
transmit power.
resistor on BGRES
to 78
.
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| DM9000B | 制造商:DAVICOM 制造商全稱:DAVICOM 功能描述:Ethernet Controller With General Processor Interface |
| DM9000B_12 | 制造商:DAVICOM 制造商全稱:DAVICOM 功能描述:Ethernet Controller With General Processor Interface |
| DM9000BE | 制造商:DAVICOM 制造商全稱:DAVICOM 功能描述:Ethernet Controller with General Processor Interface |
| DM9000BEP | 制造商:DAVICOM 功能描述:IC ENET CNTRL 10/100M PHY 48LQFP 制造商:DAVICOM 功能描述:IC, ENET CNTRL, 10/100M PHY, 48LQFP 制造商:DAVICOM 功能描述:IC, ENET CNTRL, 10/100M PHY, 48LQFP; Data Rate:100Mbps; Ethernet Type:IEEE 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 Min:0C; ;RoHS Compliant: Yes |
| DM9000BI | 制造商:DAVICOM 制造商全稱:DAVICOM 功能描述:Industrial-grade Ethernet Controller with General Processor Interface |
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