AM79C983A Advanced Micro Devices, AM79C983A Datasheet - Page 8

• Manufacturer Part Number: AM79C983A
• Description: Integrated Multiport Repeater 2 (IMR2)
• Manufacturer: Advanced Micro Devices

8
TABLE OF CONTENTS
DISTINCTIVE CHARACTERISTICS .................................................................................................... 1
GENERAL DESCRIPTION................................................................................................................... 1
BLOCK DIAGRAM ............................................................................................................................... 3
RELATED AMD PRODUCTS............................................................................................................... 4
LOGIC DIAGRAM ................................................................................................................................ 6
PIN DESCRIPTION............................................................................................................................ 13
CONNECTION DIAGRAM .................................................................................................................... 5
LOGIC SYMBOL ................................................................................................................................... 6
ORDERING INFORMATION................................................................................................................. 7
PIN DESIGNATIONS .......................................................................................................................... 12
FUNCTIONAL DESCRIPTION............................................................................................................ 17
Standard Products .......................................................................................................................... 7
Pseudo AUI Pins........................................................................................................................... 13
RAUI Port Pins.............................................................................................................................. 13
AUI Pins ........................................................................................................................................ 13
Expansion Bus Pins ...................................................................................................................... 13
Packet Report Port........................................................................................................................ 14
Microprocessor Interface .............................................................................................................. 15
LED Interface ................................................................................................................................ 15
Miscellaneous Pins ....................................................................................................................... 15
Transceiver Device Interface ........................................................................................................ 15
Overview ....................................................................................................................................... 17
Basic Repeater Functions............................................................................................................. 17
Basic Management Functions....................................................................................................... 18
Detailed Functions ........................................................................................................................ 22
Transceiver Interface .................................................................................................................... 26
Visual Status Monitoring (LED) Support ....................................................................................... 27
Intrusion Protection ....................................................................................................................... 28
Repeater Function .................................................................................................................. 17
Signal Regeneration ............................................................................................................... 17
Jabber Lockup Protection ....................................................................................................... 17
Collision Handling ................................................................................................................... 17
Fragment Extension ............................................................................................................... 17
Auto Partitioning/Reconnection .............................................................................................. 17
Repeater Management ........................................................................................................... 18
RMON .................................................................................................................................... 18
Packet Reports ....................................................................................................................... 18
Reset ...................................................................................................................................... 22
Expansion Bus ....................................................................................................................... 22
Packet Statistics ..................................................................................................................... 24
Error Packet Statistics ............................................................................................................ 26
PAUI Ports .............................................................................................................................. 26
QuIET Device Control and Status Data Interface ................................................................... 26
Using AUI/RAUI for 10BASE-T Ports ..................................................................................... 28
Timer Values .......................................................................................................................... 29
Hardware Reset ............................................................................................................... 22
Software Reset ................................................................................................................ 22
Synchronous Mode Operation ......................................................................................... 23
Asynchronous Mode Operation ....................................................................................... 24
Packet Report Port........................................................................................................... 24
RAUI Port......................................................................................................................... 25
QuIET Device Control and Status Data Interface Operation ........................................... 26
Control and Status for Non-QuIET Transceivers ............................................................. 27
P R E L I M I N A R Y
Am79C983A