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): 9/44頁
文件大?。?/td> 543K
代理商: AM79C873
Am79C873
9
P R E L I M I N A R Y
RX_EN
Receive Enable
This pin is active high enabled for receive signals
RXD[3:0], RX_CLK, RX_DV and RX_ER. A low on this
input tri-states these output pins. For normal operation
in a NODE application, this pin should be pulled high.
Media Interface
RXI±
100/10 Mbps-TX/T Twisted Pair Differential Input
Pair
These pins are the differential receive input for
10BASE-T and 100BASE-TX. They are capable of re-
ceiving 100BASE-TX MLT-3 or 10BASE-T Manchester
encoded data.
FXRD±
100BASE-FX PECL Differential Input Pair
These pins are the differential receive input for
100BASE-FX. They are capable of receiving
100BASE-FX.
FXSD±
100BASE-FX PECL Signal Detect
These input signals from the FX-PMD transceiver indi-
cate detection of a receive signal from the Fiber Media.
10TXO±
10BASE-T Differential Output Pair
This output pair provides controlled rise and fall times
designed to filter the transmitters output.
100TXO±
100BASE-TX Twisted Pair Differential Output Pair
Input
Input
Input
Input
Output
Output
This output pair drives MLT-3 encoded data to the
100 M twisted pair cable and provides controlled rise
and fall times designed to filter the transmitters output,
reducing any associated EMI.
FXTD±
100BASE-FX PECL Differential Output PairOutput
These pins are the differential transmit output for
100BASE-FX. They are capable of transmitting
100BASE-FX
LED Interface
These outputs can directly drive LEDs or provide status
information to a network management device.
FDXLED (POLLED)
Polarity/Full Duplex LED
This pin indicates Full Duplex mode status for 100
Mbps and 10 Mbps operation (Active low). If bit 4 of
Register 16 (FDXLED_MODE) is set, the FDXLED pin
Output
function will change to indicate the Polarity status for 10
Mbps operation. If polarity is inverted, the POLLED will
go ON.
COLLED
Collision LED
This pin indicates the presence of collision activity for
10 Mbps and 100 Mbps operation. This LED has no
meaning for 10 Mbps or 100 Mbps Full Duplex opera-
tion (Active low).
LINKLED (TRAFFIC LED)
Link LED
This pin indicates Good Link status for 10 Mbps and
100 Mbps operation (Active low). It functions as the
TRAFFIC LED when bit 5 of register 16 is set to 1. In
TRAFFIC LED mode, it is always ON when the link is
OK. The TRAFFIC LED flashes when transmitting or
receiving.
RXLED
Receive LED
This pin indicates the presence of receive activity for 10
Mbps and 100 Mbps operation (Active low). The Net-
PHY-1 device incorporates a “monostable” function on
the RXLED output. This ensures that even minimal re-
ceive activity will generate an adequate LED ON time.
TXLED
Transmit LED
This pin indicates the presence of transmit activity for 10
Mbps and 100 Mbps operation (Active low). The Net-
PHY-1 device incorporates a “monostable” function on
the TXLED output. This ensures that even minimal
transmit activity will generate an adequate LED ON time.
Device Configuration/Control/Status
Interface
UTP
UTP Cable Indication
This pin is the UTP Cable Indication. When UTP=1, it
indicates that the UTP cable is being used.
SPEED10
Speed 10 Mbps
When set high, this bit indicates a 10 Mbps operation,
when set low 100 Mbps operation. This pin can drive
a low current LED to indicate that 100 Mbps operation
is selected.
RX_LOCK
Lock for Clock/Data Recovery PLL
When this pin is high, it indicates that the receiver re-
covery PLL logic has locked to the input data stream.
Output
Output
Output Drain
Output Drain
Output
Output
Output
相關PDF資料
PDF描述
AM79C873KCW NetPHY⑩ -1 10/100 Mbps Ethernet Physical Layer Single-Chip Transceiver with 100BASE-FX Support
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Am79C874 NetPHY-1LP Low Power 10/100-TX/FX Ethernet Transceiver
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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