Complies with PCI Local Bus Specification, Revision 2.2
Universal (5 V and 3.3 V) PCI Signalling Environment (C-stepping only)
Data Sheet
Product Features
s
s
s
s
High Performance Intel
®
80960JT Core
s
—Sustained One Instruction/Clock Execution
— 16 Kbyte, Two-Way Set-Associative
Instruction Cache
— 4 Kbyte, Direct-Mapped Data Cache
— Sixteen 32-Bit Global Registers
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— Sixteen 32-Bit Local Registers
— 1 Kbyte, Internal Data RAM
— Local Register Cache
(Eight Available Stack Frames)
— Two 32-Bit On-Chip Timer Units
PCI-to-PCI Bridge Unit
— Eight Delayed Read/Write Buffers
Holding up to eight Transactions
— Primary and Secondary 64-bit PCI
Interfaces
— Two Posting Buffers Holding up to 12
Transactions
— Delayed and Posted Transaction Support
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— Forwards Memory, I/O, Configuration
Commands from PCI Bus to PCI Bus
I
2
O Messaging Unit
— Four Message Registers
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— Two Doorbell Registers
— Four Circular Queues
— 1004 Index Registers
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Memory Controller
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— 128 Mbytes of 64-Bit SDRAM or
64 Mbytes of 32-Bit SDRAM
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— ECC Single-Bit error correction,
Double-Bit error detection
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— Two Independent Banks for SRAM /
ROM / Flash (8 Mbyte/Bank; 8-Bit)
Two Address Translation Units
— Connects Internal Bus to 64-bit PCI Buses
— Inbound/Outbound Address Translation
Support
— Direct Outbound Addressing Support
DMA Controller
— Three Independent Channels
— PCI Memory Controller Interface
— 64-Bit Internal + PCI Bus Addressing
— Independent Interface to 64-bit Primary
and Secondary PCI Buses
— 264 Mbyte/sec Burst Transfers to PCI and
SDRAM Memory
— Direct Addressing to/from PCI Buses
— Unaligned Transfers Supported in
Hardware
— Two Channels Dedicated to Primary PCI Bus
—One Channel Dedicated to Secondary PCI Bus
I
2
C Bus Interface Unit
— Serial Bus
— Master/Slave Capabilities
— System Management Functions
Secondary PCI Arbitration Unit
— Supports Six Secondary PCI Devices
— Multi-priority Arbitration Algorithm
Private PCI Device Support
Perimeter Land Grid Array Package
— 540-pin
Application Accelerator
— Built-in hardware XOR engine
Performance Monitoring
— Ninety-eight events monitored on-chip
Order Number: 273157-010
June, 2002
Intel
®
80960RN I/O Processor
Information in this document is provided in connection with Intel products. No license, express or implied, by estoppel or otherwise, to any intellectual
property rights is granted by this document. Except as provided in Intel's Terms and Conditions of Sale for such products, Intel assumes no liability
whatsoever, and Intel disclaims any express or implied warranty, relating to sale and/or use of Intel products including liability or warranties relating to
fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right. Intel products are not
intended for use in medical, life saving, or life sustaining applications.
Intel may make changes to specifications and product descriptions at any time, without notice.
Designers must not rely on the absence or characteristics of any features or instructions marked "reserved" or "undefined." Intel reserves these for
future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them.
The Intel
®
80960RN I/O Processor may contain design defects or errors known as errata which may cause the product to deviate from published
specifications. Current characterized errata are available on request.
Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing your product order.
Copies of documents which have an ordering number and are referenced in this document, or other Intel literature may be obtained by calling
1-800-548-4725 or by visiting Intel's website at http://www.intel.com.
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