Freescale Semiconductor TWR-MCF52259-Ethenet User Manual page 40

MCF522xx – Ethernet Media Access Controller (MAC)
• The Ethernet MAC supports
10/100 Mbps Ethernet/IEEE
802.3 networks
• IEEE 802.3 full duplex flow
control
• Support for full-duplex operation
(40Mbps throughput) with a
minimum system clock rate of
50MHz
• Support for half-duplex operation
(20Mbps throughput) with a
minimum system clock rate of
25MHz
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