Texas Instruments TMS320C645x DSP - Manual (Page 18)

www.ti.com
2.3.2 Reduced Media Independent Interface (RMII) Connections
MTXD[1−0]
MTXEN
MCRSDV
MREFCLK
MRXD[1−0]
MRXER
MDCLK
MDIO
Physical
layer
device
(PHY)
System
core
Transformer
RJ−45
EMAC
MDIO
EMAC Functional Architecture
Figure 3 shows a device with integrated EMAC and MDIO interfaced via a RMII connection. This interface
is only available in 10 Mbps and 100 Mbps modes. The RMII interface is only supported in full-duplex
mode for the C645x family of devices.
Figure 3. Ethernet Configuration with RMII Interface
18 Ethernet Media Access Controller (EMAC)/Management Data Input/Output (MDIO) SPRU975B – August 2006
Submit Documentation Feedback