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LAN83C185_03 参数 Datasheet PDF下载

LAN83C185_03图片预览
型号: LAN83C185_03
PDF下载: 下载PDF文件 查看货源
内容描述: 高性能单芯片低功耗10/100以太网物理层收发器 [High Performance Single Chip Low Power 10/100 Ethernet Physical Layer Transceiver]
分类和应用: 以太网局域网(LAN)标准
文件页数/大小: 65 页 / 888 K
品牌: SMSC [ SMSC CORPORATION ]
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High Performance Single Chip Low Power 10/100 Ethernet Physical Layer Transceiver (PHY)  
Datasheet  
Table 5.34 Register 0 - Basic Control  
ADDRESS  
NAME  
Reset  
DESCRIPTION  
MODE  
DEFAULT  
0.15  
1 = software reset. Bit is self-clearing. For best results,  
when setting this bit do not set other bits in this  
register.  
RW/  
SC  
0
0.14  
0.13  
Loopback  
1 = loopback mode,  
0 = normal operation  
RW  
RW  
0
Speed Select  
1 = 100Mbps,  
Set by  
MODE[2:0]  
bus  
0 = 10Mbps.  
Ignored if Auto Negotiation is enabled (0.12 = 1).  
0.12  
Auto-  
1 = enable auto-negotiate process  
(overrides 0.13 and 0.8)  
RW  
Set by  
MODE[2:0]  
bus  
Negotiation  
Enable  
0 = disable auto-negotiate process  
0.11  
0.10  
Power Down  
1 = General power down mode,  
0 = normal operation  
RW  
RW  
0
Isolate  
1 = electrical isolation of PHY from MII  
0 = normal operation  
Set by  
MODE[2:0]  
bus  
0.9  
0.8  
Restart Auto-  
Negotiate  
1 = restart auto-negotiate process  
RW/  
SC  
0
0 = normal operation. Bit is self-clearing.  
Duplex Mode  
1 = Full duplex,  
RW  
Set by  
MODE[2:0]  
bus  
0 = Half duplex.  
Ignored if Auto Negotiation is enabled (0.12 = 1).  
0.7  
Collision Test  
Reserved  
1 = enable COL test,  
0 = disable COL test  
RW  
RO  
0
0.6:0  
0
Table 5.35 Register 1 - Basic Status  
DESCRIPTION  
ADDRESS  
NAME  
MODE  
DEFAULT  
1.15  
100Base-T4  
1 = T4 able,  
RO  
0
0 = no T4 ability  
1.14  
1.13  
1.12  
1.11  
100Base-TX Full  
Duplex  
1 = TX with full duplex,  
RO  
RO  
RO  
RO  
1
1
1
1
0 = no TX full duplex ability  
100Base-TX Half  
Duplex  
1 = TX with half duplex,  
0 = no TX half duplex ability  
10Base-T Full  
Duplex  
1 = 10Mbps with full duplex  
0 = no 10Mbps with full duplex ability  
10Base-T Half  
Duplex  
1 = 10Mbps with half duplex  
0 = no 10Mbps with half duplex ability  
1.10:6  
1.5  
Reserved  
Auto-Negotiate  
Complete  
1 = auto-negotiate process completed  
RO  
0
0
0 = auto-negotiate process not completed  
1.4  
Remote Fault  
1 = remote fault condition detected  
0 = no remote fault  
RO/  
LH  
Rev. 0.6 (12-12-03)  
SMSC LAN83C185  
DATA3S0HEET