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Ethernet MAC
318
NS9750 Hardware Reference
Figure 64: Ethernet MAC block diagram
Feature Description
MAC Core 10/100 megabit Media Access Controller
Performs the CSMA/CD function.
MCS: MAC control sublayer
TFUN: Transmit function
RFUN: Receive function
HOST Host interface
Provides an interface for control and configuration.
CLK & Reset Clocks & resets
Provides a central location for clock trees and reset logic.
Table 201: Ethernet MAC features
TFUN
RFUN
MCS
CLK & RESET MIIMHOST
MAC CORE PHY INTERFACE
PHY
SYSTEM
INTERFACE
MODULE
Tx DATA
Tx CONTROL
Rx DATA
Rx CONTROL
CONTROL/
STATUS
CONTROL/
STATUS
TRANSMIT
DATA
TRANSMIT
STATUS
RECEIVE
DATA
RECEIVE
STATUS
STAT SAL
ACCEPT/
REJECT
MII
RMII