Texas Instruments TMS320TCI6486 - Manual (Page 12)

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
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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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