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AM79C978KC/W 参数 Datasheet PDF下载

AM79C978KC/W图片预览
型号: AM79C978KC/W
PDF下载: 下载PDF文件 查看货源
内容描述: 单芯片1/10 Mbps的PCI家庭网络控制器 [Single-Chip 1/10 Mbps PCI Home Networking Controller]
分类和应用: 控制器PC
文件页数/大小: 261 页 / 3499 K
品牌: AMD [ AMD ]
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10BASE-T PHY Management Registers  
(TBRs)  
The Am79C978 home networking device supports the  
MII basic register set and extended register set. Both  
sets of registers are accessible through the PHY Man-  
agement Interface. As specified in the IEEE standard,  
the basic register set consists of the Control Register  
(Register 0) and the Status Register (Register 1). The  
extended register set consists of Registers 2 to 31  
(decimal).  
Table 64 lists all the 10BASE-T registers implemented  
in the device. All the reserved registers should not be  
written to, and reading them will return a zero value.  
Table 64. Am79C978 10BASE-T PHY Management  
Register Set  
Register  
Address  
Basic/  
(in Decimal)  
Register Name  
PHY Control  
PHY Status  
Extended  
0
1
B
B
E
2-3  
PHY Identifier  
Auto-Negotiation  
Advertisement  
4
5
6
E
E
E
Auto-Negotiation Link  
Partner Ability  
Auto-Negotiation  
Expansion  
Auto-Negotiation Next  
Page  
7
E
E
E
8-15  
16  
Reserved  
Interrupt Enable and  
Status  
17  
18  
PHY Control/Status  
Reserved  
E
E
PHY Management  
Extension  
19  
E
20-23  
24  
Reserved  
Summary Status  
Reserved  
E
E
E
25-31  
188  
Am79C978