EE 445S Real-Time Digital Signal Processing Laboratory - Lecture 2

Before Lecture

• "Squirrel fills Antenna with Acorns", February 10, 2009. Sent by a fall 2013 student in class.

Announcements

• "PlayStation 4 console announced by Sony in New York", BBC, February 20, 2013.

• Mobile phone sales to end users: $1.78B in 2011, $1.75B in 2012 and $1.90B in 2013 (est.)
  • Samsung, Apple and Huawei dominate smartphone sales in 2012, Gartner, February 13, 2013.
    
  • Operating systems in smart phones sold in 2012: 64.5% Android (Google) and 17.3% iOS (Apple). Sources: Gartner, Yahoo! and AllAboutSymbian.com.

• ARM Holdings has shipped 10B cores. Revenue: $490M in 2009, $644M in 2010, $763M in 2011 and $895M in 2012

• Macrocell basestation processors:
  • Freescale: six SC3900 DSP cores + four Power e500mc 32-bit CPU cores
  • TI TMS320C6678 DSP: eight floating-point 1.25-GHz 32-bit C66x cores. (C66x also in medical and high-end imaging.)

• Smart Grid: 1B Smart Meters by 2020 and Role of DSPs.

Lecture

• Lecture on Introduction to Digital Signal Processors in PowerPoint format. Video: Part 1, Part 2 and Part 3.

• Berkeley Design Technology Inc.
  • "Pocket Guide to Embedded Processors" in PDF format.
  • "Speed Scores for Fixed-Point Packaged Processors", Mar. 2012.
  • "Speed per Dollar Ratios for Fixed-Point Packaged Processors", Mar. 2012.
  • "Speed per Milliwatt Ratios for Fixed-Point Packaged Processors", Mar. 2012.

• 32-bit IEEE Floating Point Format (float datatype in C on C6700)
  • 1 sign bit + 23 mantissa bits + 8 exponent bits
  • Equivalent to a 24-bit fractional number or 24-bit integer with the right exponent setting

• 64-bit IEEE Floating Point Format (double datatype in C on C6700)
  • 1 sign bit + 52 mantissa bits + 11 exponent bits
  • Equivalent to a 53-bit fractional number or 53-bit integer with the right exponent setting

• Reading assignments
  • "Trends in Multicore DSPs", by Lina J. Karam (ASU), Ismail AlKamal (ASU), Alan Gatherer (TI), Gene A. Frantz (TI), David V. Anderson (Georgia Tech), and Brian L. Evans (UT Austin), IEEE Signal Processing Magazine, Nov. 2009.
  • "Comparing Fixed- and Floating-Point DSPs" by Gene Frantz and Ray Simar, Texas Instruments, 2004

Supplemental material

• "How to use DSP caches, part 1", Texas Instruments, May 21, 2007

• Steve Smith, The Scientist and Engineer's Guide to Digital Signal Processing, California Technical Publishing, 1997. (Complete book is available online.)
  • Chapter 4, "DSP Software",
  • Chapter 28, "Digital Signal Processors",
  • Chapter 29, "Getting Started with DSPs"

• Walt Kester, Mixed-Signal and DSP Design Techniques, Newnes, 2003. This book is available for free online.

• 2004-2005 Notes on DSP processor families
  • Analog Devices
  • Freescale (formerly Motorola)
  • Texas Instruments

• DSPs in selected products

• Notes on DSP cores

• UC Berkeley talk on digital signal processors by H. John Reekie and Edward A. Lee
  • Part I

• Online seminars sponsored by Texas Instruments

• "Estimating Power Consumption on the TMS320C5504/05/14/15/32/33/34/35 DSPs".

Last updated 09/20/14. Send comments to bevans@ece.utexas.edu