32-Bit High-Performance Superscalar Processor Data Sheet

Datasheet 3
Contents
Contents
1.0 About This Document ...................................................................................................................9
2.0 Intel 80960Hx Processor...............................................................................................................9
2.1 The i960
®
Processor Family ...............................................................................................10
2.2 Key 80960Hx Features .......................................................................................................10
2.2.1 Execution Architecture...........................................................................................10
2.2.2 Pipelined, Burst Bus ..............................................................................................10
2.2.3 On-Chip Caches and Data RAM............................................................................11
2.2.4 Priority Interrupt Controller.....................................................................................11
2.2.5 Guarded Memory Unit ...........................................................................................11
2.2.6 Dual Programmable Timers...................................................................................12
2.2.7 Processor Self Test ...............................................................................................12
2.3 Instruction Set Summary ....................................................................................................13
3.0 Package Information ...................................................................................................................14
3.1 Pin Descriptions..................................................................................................................15
3.2 80960Hx Mechanical Data..................................................................................................20
3.2.1 80960Hx PGA Pinout.............................................................................................20
3.2.2 80960Hx PQ4 Pinout .............................................................................................26
3.3 Package Thermal Specifications ........................................................................................31
3.4 Heat Sink Adhesives...........................................................................................................34
3.5 PowerQuad4 Plastic Package ............................................................................................34
3.6 Stepping Register Information ............................................................................................34
3.7 Sources for Accessories .....................................................................................................36
4.0 Electrical Specifications .............................................................................................................37
4.1 Absolute Maximum Ratings................................................................................................37
4.2 Operating Conditions ..........................................................................................................37
4.3 Recommended Connections ..............................................................................................38
4.4 VCC5 Pin Requirements (V
DIFF
) ........................................................................................38
4.5 VCCPLL Pin Requirements ................................................................................................39
4.6 DC Specifications ...............................................................................................................40
4.7 AC Specifications................................................................................................................42
4.7.1 AC Test Conditions................................................................................................45
4.8 AC Timing Waveforms........................................................................................................46
5.0 Bus Waveforms ...........................................................................................................................54
5.1 80960Hx Boundary Scan Chain .........................................................................................84
5.2 Boundary Scan Description Language Example ................................................................88
Figures
1 80960Hx Block Diagram...............................................................................................................9
2 80960Hx 168-Pin PGA Pinout—View from Top (Pins Facing Down).........................................20
3 80960Hx 168-Pin PGA Pinout—View from Bottom (Pins Facing Up) ........................................21
4 80960Hx 208-Pin PQ4 Pinout.....................................................................................................26
5 Measuring 80960Hx PGA Case Temperature............................................................................31
6 80960Hx Device Identification Register......................................................................................34