MicroBlaze Development Kit Spartan-3E 1600 Edition User Guide 111
UG257 (v1.1) December 5, 2007 www.xilinx.com
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Chapter 14
10/100 Ethernet Physical Layer Interface
The MicroBlaze Development Kit board includes a Standard Microsystems LAN83C185
10/100 Ethernet physical layer (PHY) interface and an RJ-45 connector, as shown in
Figure 14-1. With an Ethernet Media Access Controller (MAC) implemented in the FPGA,
the board can optionally connect to a standard Ethernet network. All timing is controlled
from an on-board 25 MHz crystal oscillator.
Figure 14-1: 10/100 Ethernet PHY with RJ-45 Connector
RJ-45 Ethernet Connector (J19)
SMSC LAN83C185 10/100 Ethernet PHY
25 MHz Crystal
UG257_14_01_060806
Spartan-3E
Development Board
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