80960CA-33 Datasheet PDF - Intel Corporation


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80960CA-33
Intel Corporation

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

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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, -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
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CONTENTS
PAGE
LIST OF FIGURES
Figure 1 80960CA Block Diagram .............................................................................................................. 1
Figure 2 80960CA PGA Pinout—View from Top (Pins Facing Down) ...................................................... 13
Figure 3 80960CA PGA Pinout —View from Bottom (Pins Facing Up) .................................................... 14
Figure 4 80960CA PQFP Pinout (View from Top Side) ............................................................................ 17
Figure 5 Measuring 80960CA PGA and PQFP Case Temperature .......................................................... 18
Figure 6 Register g0 ................................................................................................................................. 20
Figure 7 AC Test Load .............................................................................................................................. 29
Figure 8 Input and Output Clocks Waveform ............................................................................................ 29
Figure 9 CLKIN Waveform ........................................................................................................................ 29
Figure 10 Output Delay and Float Waveform ............................................................................................. 30
Figure 11 Input Setup and Hold Waveform ................................................................................................ 30
Figure 12 NMI, XINT7:0 Input Setup and Hold Waveform .......................................................................... 31
Figure 13 Hold Acknowledge Timings ........................................................................................................ 31
Figure 14 Bus Backoff (BOFF) Timings ...................................................................................................... 32
Figure 15 Relative Timings Waveforms ...................................................................................................... 33
Figure 16 Output Delay or Hold vs. Load Capacitance .............................................................................. 33
Figure 17
Figure 18
Figure 19
Rise and Fall Time Derating at Highest Operating Temperature and Minimum VCC .................. 34
ICC vs. Frequency and Temperature ........................................................................................... 34
Cold Reset Waveform ................................................................................................................ 36
Figure 20 Warm Reset Waveform .............................................................................................................. 37
Figure 21 Entering the ONCE State ........................................................................................................... 38
Figure 22 Clock Synchronization in the 2-x Clock Mode ............................................................................ 39
Figure 23 Clock Synchronization in the 1-x Clock Mode ............................................................................ 39
Figure 24 Non-Burst, Non-Pipelined Requests Without Wait States .......................................................... 40
Figure 25 Non-Burst, Non-Pipelined Read Request With Wait States ....................................................... 41
Figure 26 Non-Burst, Non-Pipelined Write Request With Wait States ....................................................... 42
Figure 27 Burst, Non-Pipelined Read Request Without Wait States, 32-Bit Bus ........................................ 43
Figure 28 Burst, Non-Pipelined Read Request With Wait States, 32-Bit Bus ............................................. 44
Figure 29 Burst, Non-Pipelined Write Request Without Wait States, 32-Bit Bus ....................................... 45
Figure 30 Burst, Non-Pipelined Write Request With Wait States, 32-Bit Bus ............................................. 46
Figure 31 Burst, Non-Pipelined Read Request With Wait States, 16-Bit Bus ............................................ 47
Figure 32 Burst, Non-Pipelined Read Request With Wait States, 8-Bit Bus ............................................... 48
Figure 33 Non-Burst, Pipelined Read Request Without Wait States, 32-Bit Bus ....................................... 49
Figure 34 Non-Burst, Pipelined Read Request With Wait States, 32-Bit Bus ............................................ 50
Figure 35 Burst, Pipelined Read Request Without Wait States, 32-Bit Bus ............................................... 51
Figure 36 Burst, Pipelined Read Request With Wait States, 32-Bit Bus ..................................................... 52
Figure 37 Burst, Pipelined Read Request With Wait States, 16-Bit Bus ..................................................... 53
Figure 38 Burst, Pipelined Read Request With Wait States, 8-Bit Bus ....................................................... 54
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CONTENTS
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LIST OF FIGURES (continued)
Figure 39 Using External READY ............................................................................................................... 55
Figure 40 Terminating a Burst with BTERM ............................................................................................... 56
Figure 41 BOFF Functional Timing ............................................................................................................ 57
Figure 42 HOLD Functional Timing ............................................................................................................ 58
Figure 43 DREQ and DACK Functional Timing .......................................................................................... 59
Figure 44 EOP Functional Timing .............................................................................................................. 59
Figure 45 Terminal Count Functional Timing .............................................................................................. 60
Figure 46 FAIL Functional Timing ............................................................................................................... 60
Figure 47 A Summary of Aligned and Unaligned Transfers for Little Endian Regions ................................ 61
Figure 48 A Summary of Aligned and Unaligned Transfers for Little Endian Regions (Continued) ............ 62
Figure 49 Idle Bus Operation ...................................................................................................................... 63
LIST OF TABLES
Table 1
80960CA Instruction Set .............................................................................................................. 3
Table 2
Pin Description Nomenclature ...................................................................................................... 4
Table 3
80960CA Pin Description — External Bus Signals ...................................................................... 5
Table 4
80960CA Pin Description — Processor Control Signals .............................................................. 8
Table 5
80960CA Pin Description — DMA and Interrupt Unit Control Signals ....................................... 10
Table 6
80960CA PGA Pinout — In Signal Order ................................................................................... 11
Table 7
80960CA PGA Pinout — In Pin Order ........................................................................................ 12
Table 8
80960CA PQFP Pinout — In Signal Order ................................................................................. 15
Table 9
Table 10
Table 11
80960CA PQFP Pinout — In Pin Order ..................................................................................... 16
Maximum TA at Various Airflows in oC (PGA Package Only) ..................................................... 18
80960CA PGA Package Thermal Characteristics ...................................................................... 19
Table 12 80960CA PQFP Package Thermal Characteristics .................................................................... 19
Table 13 Die Stepping Cross Reference ................................................................................................... 20
Table 14 Operating Conditions (80960CA-33, -25, -16) ............................................................................ 21
Table 15 DC Characteristics ..................................................................................................................... 22
Table 16 80960CA AC Characteristics (33 MHz) ...................................................................................... 23
Table 17 80960CA AC Characteristics (25 MHz) ...................................................................................... 25
Table 18 80960CA AC Characteristics (16 MHz) ...................................................................................... 27
Table 19 Reset Conditions ........................................................................................................................ 35
Table 20 Hold Acknowledge and Backoff Conditions ................................................................................ 35
iv




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