dsp56000 Freescale Semiconductor, Inc, dsp56000 Datasheet - Page 3

• Manufacturer Part Number: dsp56000
• Description: 24-bit Digital Signal Processor Family Manual
• Manufacturer: Freescale Semiconductor, Inc

Paragraph
Number
1.1
1.2
1.3
1.4
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.1
3.2
3.3
3.4
MOTOROLA
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3
ORIGIN OF DIGITAL SIGNAL PROCESSING . . . . . . . . . . . . . . . . . . . . . . . .1-3
SUMMARY OF DSP56K FAMILY FEATURES . . . . . . . . . . . . . . . . . . . . . . . .1-9
MANUAL ORGANIZATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-11
DSP56K CENTRAL ARCHITECTURE OVERVIEW . . . . . . . . . . . . . . . . . . . .2-3
DATA BUSES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3
ADDRESS BUSES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4
DATA ALU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-5
ADDRESS GENERATION UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-5
PROGRAM CONTROL UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-5
MEMORY EXPANSION PORT (PORT A) . . . . . . . . . . . . . . . . . . . . . . . . . . .2-6
ON-CHIP EMULATOR (OnCE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-6
PHASE-LOCKED LOOP (PLL) BASED CLOCKING . . . . . . . . . . . . . . . . . . .2-6
DATA ARITHMETIC LOGIC UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-3
OVERVIEW AND DATA ALU ARCHITECTURE . . . . . . . . . . . . . . . . . . . . . .3-3
DATA REPRESENTATION AND ROUNDING . . . . . . . . . . . . . . . . . . . . . . .3-10
DOUBLE PRECISION MULTIPLY MODE . . . . . . . . . . . . . . . . . . . . . . . . . .3-16
DSP56K CENTRAL ARCHITECTURE
Freescale Semiconductor, Inc.
DSP56K FAMILY INTRODUCTION
DATA ARITHMETIC LOGIC UNIT
For More Information On This Product,
TABLE OF CONTENTS
TABLE OF CONTENTS
Go to: www.freescale.com
OVERVIEW
SECTION 1
SECTION 2
SECTION 3
Title
Number
Page
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