dsp56000 Freescale Semiconductor, Inc, dsp56000 Datasheet - Page 7
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dsp56000
Manufacturer Part Number
dsp56000
Description
24-bit Digital Signal Processor Family Manual
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.DSP56000.pdf
(637 pages)
- Current page: 7 of 637
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Number
Figure
1-1
1-2
1-3
2-1
3-1
3-2
3-3
3-4
3-5
3-6
3-7
3-8
3-9
3-10 Convergent Rounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
3-11 Full Double Precision Multiply Algorithm . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16
3-12 Single X Double Multiply Algorithm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17
3-13 Single X Double Multiply-Accumulate Algorithm . . . . . . . . . . . . . . . . . . . . . . 3-18
3-14 DSP56K Programming Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19
4-1
4-2
4-3
4-4
4-5
4-6
4-7
4-8
4-9
4-10 Address Register Indirect — Predecrement . . . . . . . . . . . . . . . . . . . . . . . . . 4-16
4-11 Circular Buffer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19
4-12 Linear Addressing with a Modulo Modifier . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20
4-13 Modulo Modifier Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-21
MOTOROLA
Revision 2.1
Analog Signal Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
DSP Hardware Origins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
DSP56K Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
DSP56K Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Data ALU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
MAC Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
DATA ALU Accumulator Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Saturation Arithmetic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Integer-to-Fractional Data Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
Bit Weighting and Alignment of Operands . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Integer/Fractional Number Comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
Integer/Fractional Multiplication Comparison . . . . . . . . . . . . . . . . . . . . . . . . 3-14
DSP56K Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
AGU Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
AGU Programming Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Address Register Indirect — No Update . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
Address Register Indirect — Postincrement . . . . . . . . . . . . . . . . . . . . . . . . . 4-11
Address Register Indirect — Postdecrement . . . . . . . . . . . . . . . . . . . . . . . . 4-12
Address Register Indirect — Postincrement by Offset Nn . . . . . . . . . . . . . . 4-13
Address Register Indirect — Postdecrement by Offset Nn . . . . . . . . . . . . . . 4-14
Address Register Indirect — Indexed by Offset Nn . . . . . . . . . . . . . . . . . . . 4-15
Digital Signal Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Freescale Semiconductor, Inc.
DSP56004 DESIGN SPECIFICATION
For More Information On This Product,
LIST of FIGURES
Go to: www.freescale.com
LIST of FIGURES
Title
Number
Page
vii
vii
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