AMD Am7990 Reference Manual Download | Manualshive

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Summary of Contents for Am7990

Page 1: ...hemetl Cheapemet Family Reference Guide Overview Software Design Consideration Training Order 08496A Am7990 Ethemetl Cheapemet Family Reference Guide Overview Software Design Consideration Training Order 08496A ...

Page 2: ...plication Note Functional description and board layout considerations 2 07506A 06363A 07422A 08031 A TABLE OF CONTENTS I Overview of Am7990 EtherneVCheapernet Family II Software Support Evaluation Boards III Miscellaneous Components IV Design Considerations V Ethernet Training Courses Am7990 ETHERNET CHEAPERNET FAMILY TECHNICAL LITERATURE The following publications are available from your local AM...

Page 3: ...50 meters Very low loss COAX I 1 Iii Iii I Iii Iii Nonintrusive Node attachment Figure 1A 3 08496A 1 OVERVIEW This reference guide provides design consideration notes relating to the Am7990 IEEE 802 3 EthernetiCheapernet family of products Consult you local AMD sales office AMD representative or AMD authorized distributor for any questions concerning device price and or availability DEVICE NOMENCL...

Page 4: ...s a trademark of Intel Corporation IBM is a reg istered trademark of International Business Machines Cheapernet lEEE 802 3 Type B DTE Local CPU Local Memory Am7990 LANCE Am7992B SIA I I RGSS E COAX BNC T Standard BNC Tee tap Inexpensive configuration and cable Same bandwidth as Type A Figure 1B II SOFTWARE SUPPORT EVALUATION BOARDS AMD IEEE 802 3 ETHERNET CHEAPERNET DEMO BOARDS AND SOFTWARE AMD pr...

Page 5: ...d schematic should be directed to Orchid Technology Demo Board 2 IBM PC Ethernetl Cheapernet Board 5 Demo Board 1 Multibus Ethernetl Cheapernet Board Demo board 2 IBM PC EthernetlCheapernet board package This is a two board solution The first board is a 80186 IBM PC plug in board whose commercial purpose as stand alone is to speed up the application programs running in an IBM PC and to supply 16 b...

Page 6: ...cising some limited functions accessing the LANCE Demo Board 3 Am7996 Stand Alone Evaluation Board 6 Demo board 3 Am7996 Stand Alone Evaluation Board This is a 3 x 3 inch stand alone evaluation board which integrates the IEEE 802 3 transceiver Am7996 along with external components and a DC DC converter The board interfaces to an Ethernet controller Demo boards 1 2 or equivalent via a 15 pin connec...

Page 7: ...r screen Stop continue on transmit errors Stop continue on receive errors Loop on command scope loop IBM PC Ethernet Cheapernet Board Package Coax Tee Connector son Coax Terminator 2 each up to 185 meters 600 feet of Cheapernet Cable RG58 AlU C U PC turbo 186 cards APP2005Rev 1 AUI Cable User Supplied Ethernet Connection Figure 2 08496A 2 registers initialization transmit internal external loopbac...

Page 8: ... specs A test program to verify the correct ini tialization and correct status reporting of the LANCE Display commands Display Transmit ring Display Receive ring Display the LANCE Initialization block Display node status Display the LANCE registers CSRs Display memory There is a user manual which is the specification for this software package and Demo board 1 hardware spec This software package is...

Page 9: ...ed customers should call the manufac turer directly for the location of the nearest representa tives INTLOOP Internal loop test to verify packet transmission reception chaining and CRCs It also verifies promiscuous normal and collision test modes EXTLOOP Verifies that packets can go out on the Ethernet cable and be received in both the promiscuous and normal mode It also verifies disabling of the ...

Page 10: ...ters Am2965 one package or 74AS04 two packages F F 74S74 one package DTE Ground Figure 3 08496A 3 10 IV DESIGN CONSIDERATIONS Interfacing the Am7992B to Intel s 82586 Ethernet Controller The AMD and Intel s Ethernet Controllers Serial Link in terfaces are functionally similar The interfacing glue logic for the Am7992B and the 82586 shown here accom modates the active voltage levels set up and hold...

Page 11: ... Customer Education Center P O Box 3453 MIS 71 Sunnyvale CA 94088 408 749 3665 or 800 538 8450 x3665 v ETHERNET TRAINING COURSES EDUCATIONAL SUPPORT 1 E7900B Understanding and Implementing Local Networks This 2 day lecture and laboratory course covers the AMD EthernetlCheapernet family as well as devices Am7960 Am7968 9 etc useful in implementing other forms of computer networks A companion course...

Page 12: ...EX 34 6306 TOLL FREE 800 5388450 1986 Advanced Micro Devices Inc Printed in U S A CBM WCP 10M 8 86 0 ADVANCED MICRO DEVICES DOMESTIC SALES OFFICES ALABAMA 205 882 9122 ARIZONA Tempe 602 242 4400 Tucson 602 792 1200 CALIFORNIA EI Segundo Newport Beach San Diego Sunnyvale Woodland Hills COLORADO CONNECTICUT FLORIDA Altamonte Springs Clearwater Ft Lauderdale Melbourne GEORGIA ILLINOiS INDIANA KANSAS ...

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