How many instances of EMAC are present in SC58x? How are they different?

There are two instances of Ethernet MAC - 10/100/1000Mbps EMAC0 and 10/100 EMAC1. Following table lists some of the important differences between the two.

Feature	Value (EMAC0)	Value (EMAC1)
Speed of Operation	10/100/1000 Mbps	10/100 Mbps
PHY Interface	RGMII or RMII	RMII
Receive FIFO Size (in Bytes)	2048	512
Transmit FIFO Size (in Bytes)	2048	1024
Energy Efficient Ethernet (EEE)	Yes	No
PTP (IEEE 1588)	Yes	No
AV Feature	Yes	No
No of Tx Channels	3	1
No of Rx Channels	3	1