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Intel Corporation
Intel Corporation


80960CA-33

80960CA-33/ -25/ -16 32-BIT HIGH-PERFORMANCE EMBEDDED PROCESSOR



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80960CA-33 pdf
80960CA-33, -25, -16
32-BIT HIGH-PERFORMANCE EMBEDDED PROCESSOR
• Two Instructions/Clock Sustained Execution
• Four 59 Mbytes/s DMA Channels with Data Chaining
• Demultiplexed 32-bit Burst Bus with Pipelining
s 32-bit Parallel Architecture
— Two Instructions/clock Execution
— Load/Store Architecture
— Sixteen 32-bit Global Registers
— Sixteen 32-bit Local Registers
— Manipulates 64-bit Bit Fields
— 11 Addressing Modes
— Full Parallel Fault Model
— Supervisor Protection Model
s Fast Procedure Call/Return Model
— Full Procedure Call in 4 Clocks
s On-Chip Register Cache
— Caches Registers on Call/Ret
— Minimum of 6 Frames Provided
— Up to 15 Programmable Frames
s On-Chip Instruction Cache
— 1 Kbyte Two-Way Set Associative
— 128-bit Path to Instruction Sequencer
— Cache-Lock Modes
— Cache-Off Mode
s High Bandwidth On-Chip Data RAM
— 1 Kbyte On-Chip Data RAM
— Sustains 128 bits per Clock Access
s Four On-Chip DMA Channels
— 59 Mbytes/s Fly-by Transfers
— 32 Mbytes/s Two-Cycle Transfers
— Data Chaining
— Data Packing/Unpacking
— Programmable Priority Method
s 32-Bit Demultiplexed Burst Bus
— 128-bit Internal Data Paths to and
from Registers
— Burst Bus for DRAM Interfacing
— Address Pipelining Option
— Fully Programmable Wait States
— Supports 8-, 16- or 32-bit Bus Widths
— Supports Unaligned Accesses
— Supervisor Protection Pin
s Selectable Big or Little Endian Byte
Ordering
s High-Speed Interrupt Controller
— Up to 248 External Interrupts
— 32 Fully Programmable Priorities
— Multi-mode 8-bit Interrupt Port
— Four Internal DMA Interrupts
— Separate, Non-maskable Interrupt Pin
— Context Switch in 750 ns Typical
Intel Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in an Intel product. No other circuit patent
licenses are implied. Information contained herein supersedes previously published specifications on these devices from Intel.
© INTEL CORPORATION, 1993
November 1993
Order Number: 270727-006



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80960CA-33 pdf
80960CA-33, -25, -16
32-BIT HIGH-PERFORMANCE EMBEDDED PROCESSOR
CONTENTS
PAGE
1.0 PURPOSE .................................................................................................................................................. 1
2.0 80960CA OVERVIEW................................................................................................................................. 1
2.1 The C-Series Core ..............................................................................................................................2
2.2 Pipelined, Burst Bus ...........................................................................................................................2
2.3 Flexible DMA Controller ......................................................................................................................2
2.4 Priority Interrupt Controller ..................................................................................................................2
2.5 Instruction Set Summary ....................................................................................................................3
3.0 PACKAGE INFORMATION.........................................................................................................................4
3.1 Package Introduction ..........................................................................................................................4
3.2 Pin Descriptions .................................................................................................................................. 4
3.3 80960CA Mechanical Data ............................................................................................................... 11
3.3.1 80960CA PGA Pinout ............................................................................................................ 11
3.3.2 80960CA PQFP Pinout .......................................................................................................... 15
3.4 Package Thermal Specifications ...................................................................................................... 18
3.5 Stepping Register Information .......................................................................................................... 20
3.6 Suggested Sources for 80960CA Accessories.................................................................................. 20
4.0 ELECTRICAL SPECIFICATIONS............................................................................................................. 21
4.1 Absolute Maximum Ratings .............................................................................................................. 21
4.2 Operating Conditions ........................................................................................................................ 21
4.3 Recommended Connections ............................................................................................................ 21
4.4 DC Specifications ............................................................................................................................. 22
4.5 AC Specifications .............................................................................................................................. 23
4.5.1 AC Test Conditions ................................................................................................................ 29
4.5.2 AC Timing Waveforms ........................................................................................................... 29
4.5.3 Derating Curves ..................................................................................................................... 33
5.0 RESET, BACKOFF AND HOLD ACKNOWLEDGE ................................................................................. 35
6.0 BUS WAVEFORMS ................................................................................................................................. 36
7.0 REVISION HISTORY ................................................................................................................................ 64
ii



Part Number 80960CA-33
Description 80960CA-33/ -25/ -16 32-BIT HIGH-PERFORMANCE EMBEDDED PROCESSOR
Maker Intel Corporation - Intel Corporation
Total Page 30 Pages
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