KSZ8721B - 2.5V 10/100BasTX/FX MII Physical Layer Transceiver - Micrel Semiconductor
Features
• Single chip 100BaseTX/100BaseFX/10BaseT physical
layer solution
• 2.5V CMOS design, power consumption <200mW
(excluding output driver current )
• Fully compliant to IEEE 802.3u standard
• Supports Media Independent Interface (MII) and
Reduced MII (RMII)
• Supports 10BaseT, 100BaseTX and 100BaseFX with
Far_End_Fault Detection
• Supports power down mode and power saving mode
• Configurable through MII serial management ports or via
external control pins
• Supports auto-negotiation and manual selection for
10/100Mbps speed and full/half-duplex mode
• On-chip built-in analog front end filtering for both
100BaseTX and 10BaseT
**注意 & Noted:
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