DSP Processor Fundamentals Architectures and Features

by Lapsley, Phil; Bier, Jeff; Shoham, Amit; Lee, Edward A.

• ISBN13: 9780780334052
• ISBN10: 0780334051
• Edition: 1st
• Format: Paperback
• Copyright: 1997-02-07
• Publisher: Wiley-IEEE Press

Summary

This cutting-edge, practical guide brings you an independent, comprehensive introduction to DSP processor technology. A thorough tutorial and overview of DSP architectures, this book incorporates a broad range of today's product offerings in examples that illustrate DSP features and capabilities. This book is especially useful to electronic systems designers, processor architects, engineering managers, and product planners.

Author Biography

About the AuthorsPhilip D. Lapsley is a founder of Berkeley Design Technology, Inc., where he is responsible for special projects. He has worked at several research groups at the University of California at Berkeley, the NASA Ames Research Center, Teknekron Communications Systems, and the U. C. Berkeley Space Sciences Lab.

Table of Contents

Preface	xi	(2)
Acknowledgments	xiii
1. Digital Signal Processing and DSP Systems	1	(8)
1.1 Advantages of DSP	1	(1)
1.2 Characteristics of DSP Systems	2	(4)
1.3 Classes of DSP Applications	6	(3)
2. DSP Processors, Embodiments, and Alternatives	9	(12)
2.1 DSP Processors	9	(3)
2.2 DSP Processor Embodiments	12	(6)
2.3 Alternatives to Commercial DSP Processors	18	(3)
3. Numeric Representations and Arithmetic	21	(10)
3.1 Fixed-Point versus Floating-Point	21	(6)
3.2 Native Data Word Width	27	(1)
3.3 Extended Precision	27	(1)
3.4 Floating-Point Emulation and Block Floating-Point	28	(2)
3.5 IEEE-754 Floating-Point	30	(1)
3.6 Relationship between Data Word Size and Instruction Word Size	30	(1)
4. Data Path	31	(18)
4.1 Fixed-Point Data Paths	31	(12)
4.2 Floating-Point Data Paths	43	(4)
4.3 Special Function Units	47	(2)
5. Memory Architecture	49	(18)
5.1 Memory Structures	51	(4)
5.2 Features for Reducing Memory Access Requirements	55	(3)
5.3 Wait States	58	(2)
5.4 ROM	60	(1)
5.5 External Memory Interfaces	60	(5)
5.6 Customization	65	(2)
6. Addressing	67	(12)
6.1 Implied Addressing	68	(1)
6.2 Immediate Data	68	(1)
6.3 Memory-Direct Addressing	68	(1)
6.4 Register-Direct Addressing	69	(1)
6.5 Register-Indirect Addressing	69	(6)
6.6 Short Addressing Modes	75	(4)
7. Instruction Set	79	(12)
7.1 Instruction Types	79	(5)
7.2 Registers	84	(2)
7.3 Parallel Move Support	86	(1)
7.4 Orthogonality	87	(2)
7.5 Assembly Language Format	89	(2)
8. Execution Control	91	(8)
8.1 Hardware Looping	91	(3)
8.2 Interrupts	94	(4)
8.3 Stacks	98	(1)
8.4 Relative Branch Support	98	(1)
9. Pipelining	99	(12)
9.1 Pipelining and Performance	99	(2)
9.2 Pipeline Depth	101	(1)
9.3 Interlocking	101	(3)
9.4 Branching Effects	104	(2)
9.5 Interrupt Effects	106	(2)
9.6 Pipeline Programming Models	108	(3)
10. Peripherals	111	(10)
10.1 Serial Ports	111	(5)
10.2 Timers	116	(1)
10.3 Parallel Ports	117	(1)
10.4 Bit I/O Ports	118	(1)
10.5 Host Ports	118	(1)
10.6 Communications Ports	118	(1)
10.7 On-Chip A/D and D/A Converters	119	(1)
10.8 External Interrupts	120	(1)
10.9 Implications for the System Designer	120	(1)
11. On-Chip Debugging Facilities	121	(4)
11.1 Scan-Based Debugging/Emulation Facilities	121	(4)
12. Power Consumption and Management	125	(4)
12.1 Low-Voltage Operation	125	(1)
12.2 Power Management Features	126	(3)
13. Clocking	129	(2)
14. Price and Packaging	131	(4)
14.1 Example Prices	131	(1)
14.2 Packaging	132	(3)
15. Fabrication Details	135	(2)
15.1 Feature Size	135	(1)
15.2 Operating Voltage	136	(1)
15.3 Die Size	136	(1)
16. Development Tools	137	(22)
16.1 Assembly Language Tools	137	(15)
16.2 High-Level Language Development Tools	152	(3)
16.3 Block-Diagram-Based Programming Tools	155	(1)
16.4 Real-Time Operating Systems	156	(1)
16.5 Multimedia Environments	157	(2)
17. Applications Support	159	(6)
17.1 Documentation	159	(1)
17.2 Applications Engineers	160	(1)
17.3 Telephone Support	161	(1)
17.4 Bulletin Boards	161	(1)
17.5 Training	162	(1)
17.6 Third-Party Support	162	(3)
18. Conclusions	165	(6)
18.1 Choosing a Processor Architecture	165	(1)
18.2 DSP Processor Trends	166	(5)
Appendix: Vendor Contact Information	171	(4)
References and Bibliography	175	(4)
Glossary	179	(24)
Index	203	(6)
About the Authors	209