User`s guide

KSZ8864 Evaluation Board User’s Guide

Micrel Inc. Page 10 5/9/2014

7. Open the Windows and navigate to the directory where the Window SPI file is stored. Click its

icon to invoke the software.

8. Program the desired settings using the Micrel SPI interface software. See the software

operation description section 5.7 for details.

4.4 10/100 Ethernet Ports

There are two 10/100 Ethernet ports on the KSZ8864 evaluation board. The ports J1 and J2 can be

connected to a traffic generator/analyzer or a SmartBit via standard RJ45 connectors using CAT-5

cables. Each port can be used as either an uplink or downlink. All ports support auto MDI/MDIX so

there is no need for cross over cables.

J1 = RJ45 connector for port 1

J2 = RJ45 connector for port 2

4.5 LED indicators

Ethernet Port LEDs

There are two columns of LED indicators, one column for each of the two ports. The LED

indicators are programmable to two different modes. You can program the LED mode through a

strap in option on JP23 or in register 11, bit 1. The mode definitions are shown in Table 5. There are

three LEDs per port. The naming convention is “LEDx_y”, where “x” is the port number, and “y” is

the number of the LED for that port.

Table 5 LED Modes

Mode 0 Mode1

PxLED1 = Link/Act PxLED1 = 100Link/Act

PxLED0 = Speed PxLED0 = Full Duplex

P1LEDy are assigned to Port1

P2LEDy are assigned to Port2

Power LED

The board also has a power LED D3 for the 3.3V power supply. D3 LED indicates 3.3V Power on

and off.

Interrupt LED

The board also has an Interrupt LED D2 for the Link status change when set the interrupt mask

4.6 MII/RMII Port Configuration

There are two MII/RMII ports on the KSZ8864. One port connects to the port 4 MAC4 in the

KSZ8864, and we refer to it as the port 4 Switch SW4-MII/RMII port. The second MII/RMII port