TI380C30A Datasheet, PDF (1/81 Pages) Texas Instruments – INTEGRATED TOKEN-RING COMMPROCESSOR AND PHYSICAL-LAYER INTERFACE

TI380C30A
INTEGRATED TOKEN-RING COMMPROCESSOR
AND PHYSICAL-LAYER INTERFACE
SPWS034 – MARCH 1998
D Single-Chip Token-Ring Solution
D IBM™ Token-Ring Network™ Compatible
D Compatible With ISO/IEC IEEE
Std 802.5:1992 Token-Ring Access-Method
and Physical-Layer Specifications
D Compatible With TI380FPA PacketBlaster™
D Glueless Memory Interface
D Digital Phase-Locked Loop (PLL)
– Precise Control of Bandwidths
– Improved Jitter Tolerance
– Minimizes Accumulated Phase Slope
D Phantom Drive for Physical Insertion Onto
Ring
D Differential Line Receiver With
Level-Dependent Frequency Equalization
D Low-Impedance Differential Line Driver to
Ease Transmit-Filter Design
D On-Chip Watchdog Timer
D Internal Crystal Oscillator for
Reference-Clock Generation
D Expandable LAN-Subsystem Memory up to
2M Bytes
D 32-Bit Host Address Bus
D 80x8x or 68xxx-Type Bus and Memory
Organization
D Dual-Port Direct Memory Access (DMA) and
Direct Input/Output Transfers to Host Bus
D Supports 8- or 16-Bit Pseudo-Direct
Memory Access (PDMA) Operation
D Electrostatic Discharge (ESD) Protection
Exceeds 2 kV (All Pins)
D 0.8-µm CMOS Technology
D Token-Ring Features
– 16- or 4-Megabit-Per-Second (Mbit/s)
Data Rates
– Supports up to 18K-Byte Frame Size
(16 Mbit/s Only)
– Supports Universal and Local
Addressing
– Early Token-Release Option (16 Mbit/s
Only)
– Built-In Real-Time Error Detection
– Automatic Frame-Buffer Management
– 2-MHz to 33-MHz System-Bus Clock
– Slow-Clock Low-Power Mode
D 176-Pin Thin Quad Flat Package
Attached
System
Bus
(2 MHz
to
33 MHz)
LAN Subsystem
TI380C30A
Memory
Transmit
Receive
To
Network
Figure 1. Network-Commprocessor Applications Diagram
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Intel is a trademark of Intel Corporation.
IBM and Token-Ring Network are trademarks of International Business Machines Corporation.
Motorola is a trademark of Motorola, Inc.
PacketBlaster and TI are trademarks of Texas Instruments Incorporated.
PAL^® is a registered trademark of Advanced Micro Devices, Inc. Other companies also manufacture programmable array logic devices.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright © 1998, Texas Instruments Incorporated
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