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 32-bit Parallel Architecture Four On-Chip DMA Channels Two Instructions/clock Execution 59 Mbytes/s Fly-by Transfers Load/Store Architecture 32 Mbytes/s Two-Cycle Transfers Sixteen 32-bit Global Registers Data Chaining Sixteen 32-bit Local Registers Data Packing/Unpacking Manipulates 64-bit Bit Fields Programmable Priority Method 11 Addressing Modes 32-Bit Demultiplexed Burst Bus Full Parallel Fault Model 128-bit Internal Data Paths to and Supervisor Protection Model from Registers Fast Procedure Call/Return Model Burst Bus for DRAM Interfacing Full Procedure Call in 4 Clocks Address Pipelining Option Fully Programmable Wait States On-Chip Register Cache Supports 8-, 16- or 32-bit Bus Widths Caches Registers on Call/Ret Supports Unaligned Accesses Minimum of 6 Frames Provided Supervisor Protection Pin Up to 15 Programmable Frames Selectable Big or Little Endian Byte On-Chip Instruction Cache Ordering 1 Kbyte Two-Way Set Associative 128-bit Path to Instruction Sequencer High-Speed Interrupt Controller Cache-Lock Modes Up to 248 External Interrupts Cache-Off Mode 32 Fully Programmable Priorities Multi-mode 8-bit Interrupt Port High Bandwidth On-Chip Data RAM Four Internal DMA Interrupts 1 Kbyte On-Chip Data RAM Separate, Non-maskable Interrupt Pin Sustains 128 bits per Clock Access 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: 270727-00680960CA-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