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參數(shù)資料
| 型號： | AM79C873 |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | NetPHY⑩ -1 10/100 Mbps Ethernet Physical Layer Single-Chip Transceiver with 100BASE-FX Support |
| 中文描述： | NetPHY⑩-1 10/100 Mbps以太網(wǎng)物理層的單芯片收發(fā)器與100BASE - FX的支持 |
| 文件頁數(shù)： | 27/44頁 |
| 文件大?。?/td> | 543K |
| 代理商： | AM79C873 |
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Am79C873
27
P R E L I M I N A R Y
AMD Specified Configuration Register (DSCR) -
Register 16
Bit
Bit Name
Default
Description
16.15
BP_4B5B
, RW
Bypass 4B5B Encoding and 5B4B Decoding
:
1=4B5B encoder and 5B4B decoder function bypassed.
0=Normal 4B5B and 5B4B operation The value of the pin is latched into
this bit at power-up/reset.
16.14
BP_SCR
Pin 97, RW
Bypass Scrambler/Descrambler Function
:
1=Scrambler and descrambler function bypassed.
0=Normal scrambler and descrambler operation.
The value of the input pin is latched into this bit at power-up/reset.
16.13
BP_ALIGN
Pin 98, RW
Bypass Symbol Alignment Function
:
1= Receive functions (descrambler, symbol alignment and symbol
decoding functions) bypassed. Transmit functions (symbol encoder and
scrambler) bypassed.
0= Normal operation.
The value of the BPALIGN input pin is latched into this bit at power-up/
reset.
16.12
0, RW
Reserved
:
This bit must be set as 0.
16.11
REPEATER
Pin 94, RW
Repeater/Node Mode
:
1=Repeater mode.
0=Node mode.
In Repeater mode, the Carrier Sense (CRS) output from the NetPHY-1
device will be asserted only by receive activity. In NODE mode, or a mode
not configured for Full Duplex operation, CRS will be asserted by either
receive or transmit activity.
The value of the RPTR/NODE input pin is latched into this bit at power-up
reset.
16.10
TX
1, RW
100BASE-TX or FX Mode Control
:
1=100BASE-TX operation.
0=100BASE-FX operation.
16.9
UTP
1, RW
UTP Cable Control
:
1=The media is a UTP cable, 0=STP.
16.8
CLK25MDIS
0, RW
CLK25M Disable
:
1=CLK25M output clock signal tri-stated.
0=CLK25M enabled.
This bit should be set to 1 to disable the 25 MHz output and reduce ground
bounce and power consumption. For applications requiring the CLK25M
output, set this bit to 0.
16.7
F_LINK_100
1, RW
Force Good Link in 100 Mbps
:
1=Normal 100 Mbps operation.
0=Force 100 Mbps good link status.
This bit is useful for diagnostic purposes.
16.6
Reserved
0, RW
Reserved
:
This bit must be written as 0.
相關PDF資料 |
PDF描述 |
|---|---|
| AM79C873KCW | NetPHY⑩ -1 10/100 Mbps Ethernet Physical Layer Single-Chip Transceiver with 100BASE-FX Support |
| AM79C874VI | NetPHY-1LP Low Power 10/100-TX/FX Ethernet Transceiver |
| Am79C874 | NetPHY-1LP Low Power 10/100-TX/FX Ethernet Transceiver |
| AM79C874VC | NetPHY-1LP Low Power 10/100-TX/FX Ethernet Transceiver |
| AM79C875 | NetPHY⑩ 4LP Low Power Quad 10/100-TX/FX Ethernet Transceiver |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AM79C873KCW | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:NetPHY⑩ -1 10/100 Mbps Ethernet Physical Layer Single-Chip Transceiver with 100BASE-FX Support |
| AM79C874 | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:NetPHY-1LP Low Power 10/100-TX/FX Ethernet Transceiver |
| AM79C874KC/W | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LAN Transceiver |
| AM79C874VC | 制造商:Advanced Micro Devices 功能描述:PHY 1-CH 10Mbps/100Mbps 80-Pin TQFP 制造商:AMD (Advanced Micro Devices) 功能描述:PHY 1-CH 10Mbps/100Mbps 80-Pin TQFP |
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