80960CF-30 Datasheet PDF - Intel Corporation


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80960CF-30
Intel Corporation

Part Number 80960CF-30
Description SPECIAL ENVIRONMENT 80960CF-30/ -25/ -16 32-BIT HIGH-PERFORMANCE SUPERSCALAR PROCESSOR
Page 30 Pages

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SPECIAL ENVIRONMENT 80960CF-30 -25 -16
32-BIT HIGH-PERFORMANCE SUPERSCALAR
PROCESSOR
 Socket and Object Code Compatible with 80960CA
 Two Instructions Clock Sustained Execution
 Four 59 Mbytes s DMA Channels with Data Chaining
 Demultiplexed 32-bit Burst Bus with Pipelining
Y 32-bit Parallel Architecture
Two Instructions clock Execution
Load Store Architecture
Sixteen 32-bit Global Registers
Sixteen 32-bit Local Registers
Manipulate 64-bit Bit Fields
11 Addressing Modes
Full Parallel Fault Model
Supervisor Protection Model
Y Fast Procedure Call Return Model
Full Procedure Call in 4 clocks
Y On-Chip Register Cache
Caches Registers on Call Ret
Minimum of 6 Frames provided
Up to 15 Programmable Frames
Y On-Chip Instruction Cache
4 Kbyte Two-Way Set Associative
128-bit Path to Instruction Sequencer
Cache-Lock Modes
Cache-Off Mode
Y On-Chip Data Cache
1 Kbyte Direct-Mapped
Write Through
128 bits per Clock Access on
Cache Hit
Y Product Grades Available
SE3 b40 C to a110 C
Y High Bandwidth On-Chip Data RAM
1 Kbytes On-Chip RAM for Data
Sustain 128 bits per clock access
Y 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
Y 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
Y Selectable Big or Little Endian Byte
Ordering
Y 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
Other brands and names are the property of their respective owners
Information in this document is provided in connection with Intel products Intel assumes no liability whatsoever including infringement of any patent or
copyright for sale and use of Intel products except as provided in Intel’s Terms and Conditions of Sale for such products Intel retains the right to make
changes to these specifications at any time without notice Microcomputer Products may have minor variations to this specification known as errata
COPYRIGHT INTEL CORPORATION 1995
January 1995
Order Number 271328-001



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SPECIAL ENVIRONMENT 80960CF-30 -25 -16
Figure 1 80960CF Die Photo
271328 – 1
2



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Special Environment 80960CF-30 -25 -16
32-Bit High Performance Superscalar Processor
CONTENTS
PAGE
1 0 PURPOSE
5
2 0 i960 CF PROCESSOR
OVERVIEW
2 1 The C-Series Core
2 2 Pipelined Burst Bus
2 3 Flexible DMA Controller
2 4 Priority Interrupt Controller
2 5 Instruction Set Summary
5
6
6
6
6
7
3 0 PACKAGE INFORMATION
3 1 Package Introduction
3 2 Pin Descriptions
3 3 80960CF Pinout
3 4 Mechanical Data
3 5 Package Thermal Specifications
3 6 Stepping Register Information
3 7 Suggested Sources for 80960CF
Accessories
8
8
8
14
18
20
21
21
4 0 ELECTRICAL SPECIFICATIONS
4 1 Absolute Maximum Ratings
4 2 Operating Conditions
4 3 Recommended Connections
4 4 DC Specifications
4 5 AC Specifications
22
22
22
22
23
24
5 0 RESET BACKOFF AND HOLD
ACKNOWLEDGE
35
6 0 BUS WAVEFORMS
36
CONTENTS
PAGE
FIGURES
Figure 1 80960CF Die Photo
Figure 2 80960CF Block Diagram
Figure 3 Example Pin Description
Entry
Figure 4a 80960CF PGA Pinout (View
from Top Side)
Figure 4b 80960CF PGA Pinout (View
from Bottom Side)
Figure 5 168-Lead Ceramic PGA
Package Dimensions
Figure 6 80960CF PGA Package
Thermal Characteristics
Figure 7 Measuring 80960CF PGA
Case Temperature
Figure 8 Register G0
Figure 9 AC Test Load
Figure 10a Input and Output Clocks
Waveform
Figure 10b CLKIN Waveform
Figure 11 Output Delay and Float
Waveform
Figure 12a Input Setup and Hold
Waveform
Figure 12b NMI XINT7 0 Input Setup
and Hold Waveform
Figure 13 Hold Acknowledge
Timings
Figure 14 Bus Back-Off (BOFF)
Timings
2
5
8
16
17
18
20
21
21
30
30
30
31
31
31
32
32
3



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CONTENTS
PAGE
Figure 15 Relative Timings
Waveforms
33
Figure 16 Output Delay or Hold vs Load
Capacitance
33
Figure 17
Figure 18
Rise and Fall Time Derating at
Highest Operating
Temperature and Minimum
VCC
ICC vs Frequency and
Temperature
34
34
Figure 19 Cold Reset Waveform
36
Figure 20 Warm Reset Waveform
37
Figure 21 Entering the ONCE State
38
Figure 22a Clock Synchronization in the
2x Clock Mode
39
Figure 22b Clock Synchronization in the
1x Clock Mode
39
Figure 23 Non-Burst Non-Pipelined
Requests without Wait
States
40
Figure 24 Non-Burst Non-Pipelined
Read Request with Wait
States
41
Figure 25 Non-Burst Non-Pipelined
Write Request with Wait
States
42
Figure 26 Burst Non-Pipelined Read
Request without Wait States
32-Bit Bus
43
Figure 27 Burst Non-Pipelined Read
Request with Wait States
32-Bit Bus
44
Figure 28 Burst Non-Pipelined Write
Request without Wait States
32-Bit Bus
45
Figure 29 Burst Non-Pipelined Write
Request with Wait States
32-Bit Bus
46
Figure 30 Burst Non-Pipelined Read
Request with Wait States
16-Bit Bus
47
CONTENTS
PAGE
Figure 31 Burst Non-Pipelined Read
Request with Wait States
8-Bit Bus
48
Figure 32 Non-Burst Pipelined Read
Request without Wait States
32-Bit Bus
49
Figure 33 Non-Burst Pipelined Read
Request with Wait States
32-Bit Bus
50
Figure 34 Burst Pipelined Read
Request without Wait States
32-Bit Bus
51
Figure 35 Burst Pipelined Read
Requests with Wait States
32-Bit Bus
52
Figure 36 Burst Pipelined Read
Requests with Wait States
16-Bit Bus
53
Figure 37 Burst Pipelined Read
Requests with Wait States
8-Bit Bus
54
Figure 38 Using External READY
55
Figure 39 Terminating a Burst with
BTERM
56
Figure 40 BOFF Functional Timing
57
Figure 41 HOLD Functional Timing
57
Figure 42 DREQ and DACK Functional
Timing
58
Figure 43 EOP Functional Timing
58
Figure 44 Terminal Count Functional
Timing
59
Figure 45 FAIL Functional Timing
59
Figure 46 A Summary of Aligned and
Unaligned Transfers for Little
Endian Regions
60
Figure 47
A Summary of Aligned and
Unaligned Transfers for Little
Endian Regions
(Continued)
61
Figure 48 Idle Bus Operation
62
4




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