Texas Instruments TMS320TCI6486 Network Card User Manual


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EMIC0
CPPIbuffer
manager+
CPPIRAM0
EMAC0
DMA
memory
transfercontrol
Peripheral
bus
MDIO
EMAC1
CPPIbuffer
manager+
CPPIRAM1
EMIC1
ToGEMs
ToGEMs
MII0/GMII0
RGMII0
RMII0
S3MII0
ToPHYs
RGMII1
RMII1
S3MII1
DMA
memory
transfercontrol
EMAC
Control0
Module
EMAC
Control1
Module
Introduction
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• Single MDIO, shared by both EMAC modules.
1.3 Functional Block Diagram
Figure 1 shows the functional block diagram of the EMAC peripherals used in the TCI6486/C6472 device.
It consists mainly of:
• EMAC0
• EMAC1
• CPPI buffer manager per EMAC
• EMIC per EMAC
• MDIO
Figure 1. EMAC and MDIO Block Diagram
12
C6472/TCI6486 EMAC/MDIO SPRUEF8F–March 2006–Revised November 2010
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