KS8721CL Description
The KS8721CL is a 10BASE-T, 100BASE-TX, and 100BASEFX physical layer transceiver providing MII/RMII interfaces to MACs and switches. Using a unique mixed-signal design that extends signaling distance while reducing power consumption, the KS8721CL represents Micrel’s fourth generation single-port Fast Ethernet PHY. The KS8721CL contains 10BASE-T physical medium attachment (PMA), physical medium dependent (PMD), and...
KS8721CL Key Features
- Single chip 100BASE-TX/100BASE-FX/10BASE-T physical layer solution
- 2.5V CMOS design; 2.5/3.3V tolerance on I/O
- 3.3V single power supply with built-in voltage regulator; Power consumption <340mW (including output driver current)
- Fully pliant to IEEE 802.3u standard
- Supports MII and Reduced MII (RMII)
- Supports 10BASE-T, 100BASE-TX, and 100BASE-FX with far-end-fault (FEF) detection
- Supports power-down and power-saving modes
- 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 modes
- On-chip, built-in, analog front-end filtering for both 100BASE-TX and 10BASE-T