ii
CONTENTS
PAGE
1.0 THE i960
®
PROCESSOR
........................................................................................................................... 1
1.1 Key Performance Features ................................................................................................................. 2
1.1.1 Memory Space And Addressing Modes ................................................................................... 4
1.1.2 Data Types ............................................................................................................................... 4
1.1.3 Large Register Set ................................................................................................................... 4
1.1.4 Multiple Register Sets .............................................................................................................. 5
1.1.5 Instruction Cache ..................................................................................................................... 6
1.1.6 Register Scoreboarding ........................................................................................................... 6
1.1.7 High Bandwidth Bus ................................................................................................................ 6
1.1.8 Interrupt Handling .................................................................................................................... 6
1.1.9 Debug Features ....................................................................................................................... 6
1.1.10 Fault Detection ....................................................................................................................... 7
1.1.11 Built-in Testability .................................................................................................................... 7
1.1.12 CHMOS .................................................................................................................................. 7
2.0 ELECTRICAL SPECIFICATIONS
............................................................................................................. 11
2.1 Power and Grounding ....................................................................................................................... 11
2.2 Power Decoupling Recommendations .............................................................................................. 11
2.3 Connection Recommendations ......................................................................................................... 11
2.4 Characteristic Curves ....................................................................................................................... 11
2.5 Test Load Circuit ............................................................................................................................... 13
2.6 ABSOLUTE MAXIMUM RATINGS* .................................................................................................. 14
2.7 DC Characteristics ............................................................................................................................ 14
2.8 AC Specifications .............................................................................................................................. 15
3.0 MECHANICAL DATA
................................................................................................................................ 21
3.1 Packaging ......................................................................................................................................... 21
3.2 Pin Assignment ................................................................................................................................. 21
3.3 Pinout ................................................................................................................................................ 23
3.4 Package Thermal Specifications ...................................................................................................... 27
3.5 Stepping Register Information .......................................................................................................... 27
4.0 WAVEFORMS
........................................................................................................................................... 28
5.0 REVISION HISTORY
................................................................................................................................ 34
80960SA
EMBEDDED 32-BIT MICROPROCESSOR
WITH 16-BIT BURST DATA BUS
