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參數(shù)資料
| 型號： | DM9102DE |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | SINGLE CHIP FAST ETHEMET NIC CONTROLLER |
| 中文描述： | 單晶片快速以太網(wǎng)NIC控制器 |
| 文件頁數(shù)： | 62/70頁 |
| 文件大?。?/td> | 2245K |
| 代理商： | DM9102DE |
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62
Preliminary datasheet
Version: DM9102D-DS-P02
Jan. 14, 2005
9. Application Notes
9.1 Network Interface Signal Routing
Place the transformer as close as possible to the RJ-45
connector. Place all the 50 resistors as close as possible
to the DM9102D RX and TX pins. Traces routed from
RX and TX to the transformer should run in close pairs
directly to the transformer. The designer should be careful
not to cross the transmit and receive pairs. As always, vias
should be avoided as much as possible. The network
interface should be void of any signals other than the TX
and RX pairs between the RJ-45 to the transformer and
the transformer to the DM9102D. There should be no power
9.2 10Base-T/100Base-TX Application
or ground planes in the area under the network side of the
transformer to include the area under the RJ-45 connector
(Refer to Figure 9-4-1 and 9-5). Keep chassis ground away
from all active signals. The RJ-45 connector and any
unused pins should be tied to chassis ground through a
resistor divider network and a 2KV bypass capacitor.
The Band Gap resistor should be placed as physically close
to pin 101 and 102 as possible (refer to Figure 9-1 and 9-2 ).
The designer should not run any high-speed signal near the
Band Gap resistor placement.
Figure 9-1
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| DM9102DEP | 制造商:DAVICOM 功能描述:IC ENET CNTRL 10/100M PHY 1 制造商:DAVICOM 功能描述:IC ENET CNTRL 10/100M PHY 128LQFP 制造商:DAVICOM 功能描述:IC, ENET CNTRL, 10/100M PHY, 128LQFP 制造商:DAVICOM 功能描述:IC, ENET CNTRL, 10/100M PHY, 128LQFP; Data Rate:100Mbps; Ethernet Type:IEEE 802.3u; Supply Voltage Min:2.375V; Supply Voltage Max:2.625V; Digital IC Case Style:LQFP; No. of Pins:128; Interface Type:PCI; Operating Temperature Min:0C;;RoHS Compliant: Yes |
| DM9102H | 制造商:DAVICOM 制造商全稱:DAVICOM 功能描述:Single Chip Fast Ethernet NIC Controller |
| DM9102HEP | 制造商:DAVICOM 制造商全稱:DAVICOM 功能描述:Single Chip Fast Ethernet NIC Controller |
| DM9103 | 制造商:DAVICOM 制造商全稱:DAVICOM 功能描述:10/100 Mbps 3-port Ethernet Switch Controller with PCI Interface |
| DM9103EP | 制造商:DAVICOM 制造商全稱:DAVICOM 功能描述:Three Port Ethernet Switch Controller with PCI Interface |
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