LXD970A Demo Board for 10/100 and 100BASE-FX Applications Development Kit Manual iii
Contents
1.0 General Description ..................................................... .............................................5
1.1 Features ............................................................................................. ...................5
2.0 Equipment and Setup..................................... .......................................................... 7
2.1 Test Setup.......................... ................................................................................... 7
2.2 Loading Test File...................................................... ....... ...... ....... ...... ....... ...... ...... 7
2.3 Power Supply Option.................................................................... .........................8
2.3.1 External +5V Supply for Analog Circuitry (VCCA, VCCT and VCCR) ..9
2.4 Test Points ...................................................................... ......................................9
3.0 Jumpers ....................................................................................................................... 10
4.0 Hardware Control Interface.................................................................................. 11
4.1 Multi-Function Pins...................................... ........................................................ 11
4.1.1 Function/Address Settings ................................... ..............................11
4.1.2 Additional Jumper Functions .............................................................. 12
4.2 LED Indicators............................................. ........................................................1 3

Figures

1 LXD970A Demo Board....................................... ................................................... 6
2 Basic Test Setup ............................................................................................. ......7
3 Optional Test Setup..................................................................... .........................8
4 Hardware Control Interface Jumper Placement ............................................. ....11
5 LXD970A Schematic ....................................................................................... ....14

Tables

1 Test Point Descriptions ................................................... ......................................9
2 Jumper Descriptions..................................................................... .......................10
3 MF Pins Input Voltage Levels................................................ ..............................11
4 Hardware Control Interface (JP1) Functions ....................................................... 12
5 Operating Speed Advertisement Settings ................................................. ..........12
6 Additional JP1 Jumper Functions................ ........................................................ 13
7 LED Descriptions.......................................................................... .......................13