參數(shù)資料
型號(hào)： KSZ8041TL-EVAL
廠商： Micrel Inc
文件頁(yè)數(shù)： 26/58頁(yè)
文件大?。?/td> 0K
描述： BOARD EVALUATION KSZ8041TL
標(biāo)準(zhǔn)包裝： 1
主要目的： 接口，以太網(wǎng) PHY
嵌入式： 否
已用 IC / 零件： KSZ8041TL
主要屬性： 單芯片 PHY，100BASE-TX/100BASE-FX/10BASE-T
次要屬性： MII，RMII，HP Auto MDI，MDI-X 自動(dòng)極性校正，LinkMD
已供物品： 板
產(chǎn)品目錄頁(yè)面： 1080 (CN2011-ZH PDF)
相關(guān)產(chǎn)品： 576-2971-5-ND - IC ETHERNET PHY IND 48-TQFP
KSZ8041TL TR-ND - TRANSCEIVER 10/100 48-TQFP
KSZ8041TLA3TR-ND - TRANSCEIVER 10/100 48-TQFP
KSZ8041TLA3-ND - TRANSCEIVER 10/100 48-TQFP
576-1619-ND - TRANSCEIVER 10/100BASE 48-TQFP
其它名稱： 576-3295
KSZ8041TL-EVAL-ND
Micrel, Inc.
KSZ8041TL/FTL
April 2007
32
M9999-042707-1.1
100Base-FX Fiber Operation (KSZ8041FTL only)
100Base-FX fiber operation is similar to 100Base-TX copper operation with the differences being that the scrambler/de-
scrambler and MLT3 encoder/decoder are bypassed on transmission and reception. In addition, auto-negotiation is
bypassed, auto MDI/MDI-X is disabled, and speed is set to 100Mbps. The duplex can be set to either half or full. Usually,
it is set to full-duplex.
Fiber Signal Detect
In 100Base-FX operation, FXSD (fiber signal detect), input pin 48, is usually connected to the fiber transceiver SD (signal
detect) output pin. 100Base-FX mode is activated when the FXSD input pin is greater than 1V. When FXSD is between
1V and 1.8V, no fiber signal is detected and a Far-End Fault is generated. When FXSD is over 2.2V, the fiber signal is
detected.
100Base-FX mode and signal detection is summarized in the following table:
FXSD Input Voltage
Mode
Less than 0.2V
Copper mode
Greater than 1V, but less than 1.8V
Fiber mode
No signal detected
Far-End Fault generated (if enabled)
Greater than 2.2V
Fiber mode
Signal detected
Table 11. Copper and Fiber Mode Selection
To ensure proper operation, a resistive voltage divider is recommended to adjust the fiber transceiver SD (signal detect)
output voltage swing to match the FXSD pin’s input voltage threshold.
Alternatively, the Far-End Fault feature can be disabled. In this case, the FXSD input pin is tied high to 3.3V to force
100Base-FX mode.
Far-End Fault
A Far-End Fault (FEF) occurs when the signal detection is logically false on the receive side of the fiber transceiver. The
KSZ8041FTL detects a FEF when its FXSD input (pin 48) is between 1V and 1.8V. When a FEF is detected, the
KSZ8041FTL signals its fiber link partner that a FEF has occurred by transmitting a repetitive pattern of 84-ones and 1-
zero. This pattern is used to inform the fiber link partner that there is a faulty link on its transmit side.
By default, FEF is enabled. FEF is disabled by strapping “no FEF” (pin 43) low. See “Strapping Options” section for detail.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
KSZ8041TLI 功能描述:以太網(wǎng) IC Physical Layer Transceiver 10/100BASE-FX (Lead Free) RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray
KSZ8041TLI TR 功能描述:以太網(wǎng) IC Physical Layer Transceiver 10/100BASE-FX (Lead Free) RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray
KSZ8041TLI-S 功能描述:以太網(wǎng) IC Physical Layer Transceiver 10/100BASE-FX (Lead Free) RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray
KSZ8041TL-S 功能描述:以太網(wǎng) IC Physical Layer Transceiver 10/100BASE-T/TX (Lead Free) RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray
KSZ8051MLL 功能描述:以太網(wǎng) IC 3.3V, 10Base-T/100Base-TX Physical Layer Transceiver w/ MII Support (48-LQFP) RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray
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