TI380C30 Datasheet, PDF (1/78 Pages) Texas Instruments – INTEGRATED TOKEN-RING COMMPROCESSOR AND PHYSICAL-LAYER INTERFACE

TI380C30
INTEGRATED TOKEN-RING
COMMPROCESSOR AND PHYSICAL-LAYER INTERFACE
SPWS016A – NOVEMBER 1994 – REVISED JULY 1995
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 FNL
PacketBlaster™
D Glueless Memory Interface
D Digital Phase-Locked Loop
– 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
2 Mbytes
D 32-Bit Host Address Bus
D 80x8x or 68xxx-Type Bus and Memory
Organization
D Dual-Port DMA and Direct I/O Transfers to
Host Bus
D Supports 8 - or 16-Bit Pseudo-DMA
Operation
D 176-Pin Thin Quad Flat Package
(PGF Suffix)
D 0.8-µm CMOS Technology
D Operating Temperature Range
0°C to 70°C
D Token-Ring Features
– 16- or 4-Mbps Data Rates
– Supports up to 18-KByte Frame Size
(16 Mbps Only)
– Supports Universal and Local
Addressing
– Early Token-Release Option
(16 Mbps Only)
– Built-In Real-Time Error Detection
– Automatic Frame-Buffer Management
– 2- to 33-MHz System-Bus Clock
– Slow-Clock Low-Power Mode
Attached
System
Bus
(2 MHz
to
33 MHz)
LAN Subsystem
TI380C30
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.
IBM and Token-Ring Network are trademarks of International Business Machines Corp.
PacketBlaster is a trademark of Texas Instruments Incorporated.
ADVANCE INFORMATION concerns new products in the sampling or
preproduction phase of development. Characteristic data and other
specifications are subject to change without notice.
Copyright © 1995, Texas Instruments Incorporated
• POST OFFICE BOX 1443 HOUSTON, TEXAS 77251–1443
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