dp83261 National Semiconductor Corporation, dp83261 Datasheet - Page 2
dp83261
Manufacturer Part Number
dp83261
Description
Bmac Device Fddi Media Access Controller
Manufacturer
National Semiconductor Corporation
Datasheet
1.DP83261.pdf
(132 pages)
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1 0 FDDI CHIP SET OVERVIEW
2 0 ARCHITECTURAL DESCRIPTION
3 0 FEATURE OVERVIEW
4 0 FDDI MAC FACILITIES
5 0 FUNCTIONAL DESCRIPTION
2 1 Ring Engine
2 2 Interfaces
4 1 Symbol Set
4 2 Protocol Data Units
4 3 Frame Counts
4 4 Timers
4 5 Ring Scheduling
5 1 Token Handling
5 2 Servicing Transmission Requests
5 3 Request Service Parameters
5 4 Frame Validity Processing
5 5 Frame Status Processing
5 6 SMT Frame Processing
5 7 MAC Frame Processing
5 8 Receive Batching Support
5 9 Immediate Frame Transmission
5 10 Full Duplex Operation
5 11 Parity Processing
Table of Contents
2
6 0 CONTROL INFORMATION
7 0 SIGNAL DESCRIPTIONS
8 0 ELECTRICAL CHARACTERISTICS
APPENDIX A RING ENGINE STATE MACHINES
6 1 Conventions
6 2 Access Rules
6 3 Operation Registers
6 4 Event Registers
6 5 MAC Parameters
6 6 Timer Thresholds
6 7 Event Counters
7 1 Control Interface
7 2 PHY Interface
7 3 MAC Indication Interface
7 4 MAC Request Interface
7 5 Electrical Interface
7 6 Pinout Summary
7 7 Pinout Diagram
8 1 Absolute Maximum Ratings
8 2 Recommended Operating Conditions
8 3 DC Electrical Characteristics
8 4 AC Electrical Characteristics
A 1 Receiver
A 2 Transmitter
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