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NS32081-15
National Semiconductor NS32081-15 Manuals
Manuals and User Guides for National Semiconductor NS32081-15. We have
1
National Semiconductor NS32081-15 manual available for free PDF download: Manual
National Semiconductor NS32081-15 Manual (18 pages)
Floating-Point Units
Brand:
National Semiconductor
| Category:
Computer Hardware
| Size: 0.24 MB
Table of Contents
Table of Contents
2
Floating-Point Operand Formats
4
Normalized Number Ranges
5
2 Architectural Description
6
1 2 2 FSR Status Fields
6
1 2 3 FSR Software Field (SWF)
6
2 Instruction Set
6
2 1 General Instruction Format
6
2 2 Addressing Modes
7
Index Byte Format
7
Floating-Point Instruction Formats
9
3 Traps
10
3 Functional Description
10
1 Power and Grounding
10
2 Clocking
10
3 Resetting
10
0 FUNCTIONAL DESCRIPTION (Continued)
11
4 1 Bus Cycles
11
4 2 Operand Transfer Sequences
11
5 Instruction Protocols
11
5 1 General Protocol Sequence
11
5 2 Floating-Point Protocols
12
FPU Protocol Status Word Format
12
4 Device Specifications
13
1 Pin Descriptions
13
1 1 Supplies
13
1 2 Input Signals
13
1 3 Input Output Signals
13
2 Absolute Maximum Ratings
13
3 Electrical Characteristics
13
Dual-In-Line Package
13
4 Switching Characteristics
14
4 1 Definitions
14
Timing Specification Standard (Signal Valid after Clock Edge)
14
SPC Pulse from FPU
17
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