Intel LXD970A - Manuals - manualsarea.com

Page 3 - iii; Contents; General Description; Figures

LXD970A Demo Board for 10/100 and 100BASE-FX Applications Development Kit Manual iii Contents 1.0 General Description .................................................................................................. 5 1.1 Features .......................................................................

Page 5 - Development Kit Manual; Features

Demo Board for 10/100 and 100BASE-FX Applications — LXD970A Development Kit Manual 5 1.0 General Description The LXD970A Demo Board is a versatile 10/100Mbps Ethernet media access unit (MAU) that demonstrates all of the integral features of the LXT970A Fast Ethernet Transceiver. The LXD970A provides...

Page 6 - LXT; LEDs

LXD970A — Demo Board for 10/100 and 100BASE-FX Applications 6 Development Kit Manual Figure 1. LXD970A Demo Board ENBL COL LNK TX RX Optional FIBER MODULE CIRCUIT MF1 MF2 MF3 MF4 MF0 TSTOP IBTST TSTON JP7 MA N0 JP8 TEST JP5 TD+ TD - RD+ RD - MDINT GNDR GNDT JP6 MA N1 MA N2 JP1 JP3 JP4 MII RJ-45 TRAN...

Page 7 - Equipment and Setup; Test Setup; Figure 2. Basic Test Setup; NETCOM; UTP

Demo Board for 10/100 and 100BASE-FX Applications — LXD970A Development Kit Manual 7 2.0 Equipment and Setup The LXD970A Demo Board includes all the components needed for a successful evaluation. However, the following additional equipment is recommended: • NetCom System X-1000 transceiver test box ...

Page 8 - Loading Test File; Load disk containing test pattern into computer; Figure 3. Optional Test Setup

LXD970A — Demo Board for 10/100 and 100BASE-FX Applications 8 Development Kit Manual 2.2 Loading Test File A disk that contains the file needed for testing is included with the LXD970A demo board. This file contains “Killer Packets” (100Tx4.s), that exhibit worst case baseline wander characteristics...

Page 9 - Power Supply Option; External +5V Supply for Analog Circuitry (; Cut the circuit trace across JP8 pins 3 and 4; Test Points; Table 1. Test Point Descriptions

Demo Board for 10/100 and 100BASE-FX Applications — LXD970A Development Kit Manual 9 2.3 Power Supply Option The LXD970A includes a jumper (JP8), which provides a an optional power supply source for the VCC pins; VCCA (analog supply), VCCR (receive supply), VCCT (transmit supply) and VCCD (digital s...

Page 10 - Jumpers; Table 2. Jumper Descriptions

LXD970A — Demo Board for 10/100 and 100BASE-FX Applications 10 Development Kit Manual 3.0 Jumpers There are 7 Jumpers on the LXD970 Demo Board. Table 2 describes these jumpers and their functions. Table 2. Jumper Descriptions Ref Des Function JP1 Hardware Control Interface: Provides access to voltag...

Page 11 - Hardware Control Interface; and V; Table 3. MF Pins Input Voltage Levels; Figure 4. Hardware Control Interface Jumper Placement

Demo Board for 10/100 and 100BASE-FX Applications — LXD970A Development Kit Manual 11 4.0 Hardware Control Interface 4.1 Multi-Function Pins The Hardware Control Interface (JP1) provides access to the Multi-Function (MF) pins which decode 4-level supply voltages to establish two independent settings...

Page 12 - Function/Address Settings; Table 5. Operating Speed Advertisement Settings

LXD970A — Demo Board for 10/100 and 100BASE-FX Applications 12 Development Kit Manual 4.1.1 Function/Address Settings The multi-function pins allow the user to enable or disable the applicable functions and determine chip address according to the input level selected. Table 4 shows the status of the...

Page 13 - Additional Jumper Functions; Table 6; LED Indicators; Table 6. Additional JP1 Jumper Functions

Demo Board for 10/100 and 100BASE-FX Applications — LXD970A Development Kit Manual 13 4.1.2 Additional Jumper Functions In addition to the MF pins, the Hardware Control Interface (JP1) contains 10 pins, (#41 - #50) that are labeled as MAN0, MAN1, MAN2, TRSTE and MDDIS, (Note: TRSTE and MDDIS are not...