參數(shù)資料
型號: KSZ8041NLJ TR
廠商: Micrel Inc
文件頁數(shù): 13/43頁
文件大?。?/td> 0K
描述: TXRX PHY 10/100 3.3V 32MLF
標準包裝: 1
類型: 收發(fā)器
驅動器/接收器數(shù): 1/1
規(guī)程: MII,RMII
電源電壓: 3.135 V ~ 3.465 V
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤,32-MLF?
供應商設備封裝: 32-MLF?(5x5)
包裝: 標準包裝
其它名稱: 576-3625-6
Micrel, Inc.
KSZ8041NLJ
April 2010
20
M9999-040110-1.0
Power Management
The KSZ8041NLJ offers the following power management modes:
Power Saving Mode
This mode is used to reduce power consumption when the cable is unplugged. It is in effect when auto-negotiation mode
is enabled, cable is disconnected, and register 1F bit 10 is set to 1. Under power saving mode, the KSZ8041NLJ shuts
down all transceiver blocks, except for transmitter, energy detect and PLL circuits. Additionally, in MII mode, the RXC
clock output is disabled. RXC clock is enabled after the cable is connected and link is established.
Power saving mode is disabled by writing a zero to register 1F bit 10.
Power Down Mode
This mode is used to power down the entire KSZ8041NLJ device when it is not in use. Power down mode is enabled by
writing a one to register 0 bit 11. In the power down state, the KSZ8041NLJ disables all internal functions, except for the
MII management interface.
Reference Clock Connection Options
A crystal or clock source, such as an oscillator, is used to provide the reference clock for the KSZ8041NLJ. The reference
clock is 25MHz for MII mode and 50MHz for RMII mode. The following two figures illustrate how to connect the reference
clock to XI / REFCLK (pin 9) and XO (pin 8) of the KSZ8041NLJ.
Figure 4. 25MHz Crystal / Oscillator Reference Clock for MII Mode
Figure 5. 50MHz Oscillator Reference Clock for RMII Mode
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相關代理商/技術參數(shù)
參數(shù)描述
KSZ8041NLTR 制造商:Micrel 功能描述:PHY TxFx 3.3V 10/100, KSZ8041NL
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