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參數(shù)資料
| 型號： | AM79C901AVIT |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | HomePHY Single-Chip 1/10 Mbps Home Networking PHY |
| 中文描述： | HomePHY單芯片的1 / 10 Mbps的家庭網(wǎng)絡(luò)物理層 |
| 文件頁數(shù)： | 47/90頁 |
| 文件大小： | 714K |
| 代理商： | AM79C901AVIT |
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Am79C901A
47
P R E L I M I N A R Y
HPR4: HomePNA PHY Auto-Negotiation Advertisement Register (Register 4)
This register contains the advertised ability of the
Am79C901A device. The purpose of this register is to
advertise the technology ability to the link partner de-
vice. When this register is modified, Restart Auto-Ne-
gotiation (Register 0, bit 9) must be enabled to
guarantee the change is implemented.
Table 21.
HPR4: HomePNA PHY Auto-Negotiation Advertisement Register (Register 4)
Bits
Name
Description
Read/Write
Default
Value
(hex)
15
Next Page
When set, the device wishes to engage in next page exchange. If
cleared, the device does not wish to engage in next page
exchange.
R
0
14
Reserved
R
0
13
Remote Fault
When set, a remote fault bit is inserted into the base link code word
during the Auto-Negotiation process. When cleared, the base link
code work will have the bit position for remote fault as cleared.
R
0
12:11
Reserved
R
0
10
PAUSE
This bit should be set if the PAUSE capability is to be advertised.
R
0
9
Reserved
R
0
8
Full-Duplex
100BASE-TX
This bit advertises Full-Duplex capability. When set, Full-Duplex
capability is advertised. When cleared, Full-Duplex capability is
not advertised.
R
0
7
Half-Duplex
100BASE-TX
This bit advertises Half-Duplex capability for the Auto-Negotiation
process. Setting this bit advertises Half-Duplex capability. Clearing
this bit does not advertise Half-Duplex capability.
R
0
6
Full-Duplex
10BASE-T
This bit advertises Full-Duplex capability. When set, Full-Duplex
capability is advertised. When cleared, Full-Duplex capability is
not advertised.
R
0
5
Half-Duplex
10BASE-T
This bit advertises Half-Duplex capability for the Auto-Negotiation
process. Setting this bit advertises Half-Duplex capability. Clearing
this bit does not advertise Half-Duplex capability.
R
1
4:0
Selector Field
The Am79C901A device is an IEEE 802.3 compliant device.
R
01
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