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LAN8710A-EZC 参数 Datasheet PDF下载

LAN8710A-EZC图片预览
型号: LAN8710A-EZC
PDF下载: 下载PDF文件 查看货源
内容描述: 小尺寸MII / RMII 10/100以太网收发器, HP Auto-MDIX的和flexPWR技术 [Small Footprint MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR Technology]
分类和应用: 网络接口电信集成电路电信电路以太网局域网(LAN)标准以太网:16GBASE-T
文件页数/大小: 82 页 / 1172 K
品牌: SMSC [ SMSC CORPORATION ]
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®
Small Footprint MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR Technology  
Datasheet  
Collision Test is enabled in the Basic Control Register. The transmitters are powered down regardless  
of the state of TXEN.  
TXD  
RXD  
TX  
RX  
10/100  
Ethernet  
MAC  
X
X
CAT-5  
XFMR  
Digital  
Analog  
SMSC  
Ethernet Transceiver  
Figure 3.9 Near-end Loopback Block Diagram  
3.8.9.2  
Far Loopback  
Far loopback is a special test mode for MDI (analog) loopback as indicated by the blue arrows in  
Figure 3.11. The far loopback mode is enabled by setting the FARLOOPBACK bit of the Mode  
Control/Status Register to “1”. In this mode, data that is received from the link partner on the MDI is  
looped back out to the link partner. The digital interface signals on the local MAC interface are isolated.  
Note: This special test mode is only available when operating in RMII mode.  
Far-end system  
TXD  
TX  
RX  
10/100  
Ethernet  
MAC  
X
Link  
Partner  
CAT-5  
XFMR  
RXDX  
Digital  
Analog  
SMSC  
Ethernet Transceiver  
Figure 3.10 Far Loopback Block Diagram  
Connector Loopback  
3.8.9.3  
The device maintains reliable transmission over very short cables, and can be tested in a connector  
loopback as shown in Figure 3.11. An RJ45 loopback cable can be used to route the transmit signals  
SMSC LAN8710A/LAN8710Ai  
43  
Revision 1.4 (08-23-12)  
DATASHEET