PRELIMINARY Am79C874 NetPHY™-1LP Low Power 10/100-TX/FX Ethernet Transceiver DISTINCTIVE CHARACTERISTICS s 10/100BASE-TX Ethernet PHY device with 100BASE-FX fiber optic support s Typical power consumption of 0.
3 W s Sends/receives data reliably over cable lengths greater than 130 meters s MII mode supports 100BASE-X and 10BASE-T s 7-Wire (General Purpose Serial Interface (GPSI)) mode supports 10BASE-T s Three PowerWise™ management modes (from 300 mW typical) — Power down: only management responds Typical power = 3 mW — Unplugged: no cable, no receive clock Typical power = 100 mW — Idle wire: no wire signal, no receiver power Typical power = 285 mW; MAC saves over 100 mW s Supports 1:1 or 1.
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