VSC8504-05 Datasheet, Microchip

of the VSC8504 device. LOW POWER
* Low power consumption of approximately 425 mW per port in 1000BASE-T mode, 200 mW per port in 100BASE-TX mode, 225 mW per port in 1.

Programmable clock squelch control is included to inhibit undesirable clocks from propagating and to help prevent timin.