Texas Instruments TMS380C26 specifications Network Commprocessor

TMS380C26

NETWORK COMMPROCESSOR

SPWS010A±APRIL 1992±REVISED MARCH 1993

•IEEE 802.5 and IBM Token-Ring Network Compatible

•IEEE 802.3 and Blue Book Ethernet Network Compatible

•Pin and Software Compatible With the TMS380C16

•Configurable Network Type and Speed:

±Selectable by Host Software Control (Adapter Control Register)

±Selectable by Network Front-End

±Readable from Host (Adapter Control Register)

•Token-Ring Features

±16- or 4-Megabit-per-Second Data Rates

±Supports up to 18K-Byte Frame Size (16 Mbps Operation Only)

±Supports Universal and Local Network Addressing

±Early Token Release Option (16 Mbps Operation Only)

±Compatible With the TMS38054

•Ethernet Features

±10-Megabit-per-Second Data Rate

±Compatible With Most Ethernet Serial Network Interface Devices

±Full Duplex Ethernet Operation Allows Network Speed Self-test

•Expandable Local LAN Subsystem Memory Space up to 2 Megabytes

•Supports Multicast Addressing of Network Group Addresses Through Hashing

•Glueless Interface to DRAMs

•High-Performance 16-Bit CPU for Communications Protocol Processing

•Up to 8 Megabyte-per-Second High-Speed Bus Master DMA Interface

network commprocessor applications diagram

•Low-Cost Host-Slave I/O Interface Option

•Up to 32-Bit Host Address Bus

•Selectable Host System Bus Options

•80x8x or 68xxx-Type Bus and Memory Organization

±8- or 16-Bit Data Bus on 80x8x Buses

±Optional Parity Checking

•Dual-Port DMA and Direct I/O Transfers to Host Bus

•Specification for External Adapter-Bus Devices (SEADs) Supports External Hardware Interface for User-Defined External Logic

•Enhanced Address Copy Option (EACO) Interface Supports External Address Checking Logic for Bridging or External Custom Applications

•Support for Module High-Impedance In-Circuit Testing

•Built-in Real-Time Error Detection

•Bring-Up and Self-Test Diagnostics With Loopback

•Automatic Frame Buffer Management

•Slow-Clock Low-Power Mode

•Single 5-V Supply

•1-∝m CMOS Technology

•250 mA Typical Latch-Up Immunity at 25°C

•ESD Protection Exceeds 2,000 V

•132-Pin JEDEC Plastic Quad Flat Package (PQ Suffix)

•Operating Temperature Range 0°C to 70 °C

Attached

System

Bus

LAN Subsystem
		Transmit
	Token Ring or	To
TMS380C26	Ethernet Physical
		Network
	Layer Circuitry
		Receive
Memory

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  1993, Texas Instruments Incorporated
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