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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)絡物理層 |
| 文件頁數(shù)： | 44/90頁 |
| 文件大?。?/td> | 714K |
| 代理商： | AM79C901AVIT |
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44
Am79C901A
P R E L I M I N A R Y
HPR0: HomePNA PHY Control Register (Register 0)
Table 17.
HPR0: HomePNA PHY Control Register (Register 0)
Notes:
1. For collision test, the “enable loopback mode” bit must also be set to ensure that collision traffic is not imposed
on the network.
2. R/W = Read/Write; R = Read only.
Bits
Name
Description
Read/
Write
Default
Value
(hex)
15
RESET
1 = RESET
When read, 1= reset in process
0 = Normal operation
** Self Clearing after ~70
μ
s
R/W
0
14
Enable Loopback Mode
1 = Loopback mode enable
0 = Loopback mode disable
R/W
0
13
Speed Selection
0 = 10 Mbps
R
0
12
Auto-Negotiation Enabled
1 = Enabled
0 = Disabled
R
0
11
Power Down
1 = Power down
0 = Normal operation
(This bit is mirrored in PHY Control bit 4)
R
0
10
Isolate
1 = Electrically isolates PHY from the MII/GPSI
0 = Normal operation
R/W
1
9
Restart Auto-Negotiation
1 = Restart Auto-Negotiation
0 = Normal operation
** Self Clearing
R
0
8
Duplex Mode
1 = Full-Duplex (for Loopback test only)
0 = Half-Duplex
R/W
0
7
Collision Test (Note 1)
1 = Enable COL test signal
0 = Disable COL test signal
R/W
0
6:0
Reserved
Write as 0, ignore on read
R
0
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