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

Document created by VineethaThomas Employee on Jun 10, 2015
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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 Operation10/100/1000 Mbps10/100 Mbps
PHY InterfaceRGMII or RMIIRMII
Receive FIFO Size (in Bytes)2048512
Transmit FIFO Size (in Bytes)20481024
Energy Efficient Ethernet (EEE)YesNo
PTP (IEEE 1588)YesNo
AV FeatureYesNo
No of Tx Channels31
No of Rx Channels31

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