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TI380C27 Datasheet

  • TI380C27

  • DUAL-PROTOCOL COMMPROCESSOR

  • 1107.91KB

  • 77頁

  • TI

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TI380C27
DUAL-PROTOCOL COMMPROCESSOR
SPWS014A 鈥?APRIL 1994 鈥?REVISED MARCH 1995
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IEEE 802.5 and IBM Token-Ring Network
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Compatible
IEEE 802.3 and Blue Book Ethernet
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Network Compatible
Compatible With TI380FPA FNL
PacketBlaster鈩?/div>
Token-Ring Features
鈥?16- or 4-Megabit-per-Second Data Rates
鈥?Supports Up to 18K-Byte Frame Size
(16-Mbps Operation Only)
鈥?Supports Universal and Local Network
Addressing
鈥?Early Token-Release Option (16-Mbps
Operation Only)
鈥?Compatible With the TMS38054
Ethernet Features
鈥?10 Megabit-per-Second Data Rate in
Half-Duplex Mode
鈥?20 Megabit-per-Second Data Rate in
Full-Duplex Mode
鈥?Compatible With Most Ethernet
Serial-Network-Interface Devices
鈥?Network-Speed Self-Test Feature
Glueless Interface to DRAMs
High-Performance 16-Bit CPU for
Communications-Protocol Processing
1- to 16.5-Megabyte-per-Second
High-Speed Bus Master DMA Interface
Low-Cost Host-Slave I/O Interface Option
Up to 32-Bit Host Address Bus
Selectable Host System-Bus Options
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Adapter Local-Bus Speed Is Switchable
Between 4 MHz and 6 MHz
80x8x or 68xxx-Type Bus and Memory
Organization
鈥?8 - or 16-Bit Data Bus on 80x8x Buses
鈥?Optional Parity Checking
Dual-Port DMA and Direct I/O Transfers to
Host Bus
Supports 8 - or 16-Bit Pseudo-DMA
Operation
Enhanced-Address-Copy-Option (EACO)
Interface Supports External
Address-Checking Logic for Bridging or
External Custom Applications
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Built-In Real-Time Error Detection
Bring-Up and Self-Test Diagnostics With
Loopback
Automatic Frame-Buffer Management
2- to 33-MHz System-Bus Clock
Slow-Clock Low-Power Mode
Single 5-V Supply
0.8 -碌m CMOS Technology
250-mA Typical Latch-Up Immunity at 25擄C
ESD Protection Exceeds 2 000 V
144-Pin Plastic Thin Quad Flat Package
(PGE Suffix)
Operating Temperature Range
0擄C to 70擄C
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LAN Subsystem
Attached
System
Bus
(2 MHz
to
33 MHz)
Transmit
To
Network
Receive
TI380C27
Token-Ring
or Ethernet
Physical-Layer
Circuitry
Memory
Figure 1. Network-Commprocessor Applications Diagram
IBM and Token-Ring Network are trademarks of International Business Machines Corporation.
PacketBlaster is a trademark of Texas Instruments Incorporated.
Ethernet is a trademark of Xerox Corporation.
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
漏
1995, Texas Instruments Incorporated
POST OFFICE BOX 1443
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HOUSTON, TEXAS 77251鈥?443
1
ADVANCE INFORMATION
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Support for Module High-Impedance
In-Circuit Testing

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