List of Tables

2-1

DALU Programming Model

. 2-7

2-2

Write to Data Registers

. 2-9

2-3

Read from Data Registers

. 2-9

2-4

Data Registers Access Width

2-10

2-5

DALU Arithmetic Instructions (MAC)

2-10

2-6

DALU Logical Instructions (BFU)

2-13

2-7

Scaling Example

2-14

2-8

Ln Bit Calculation

2-15

2-9

Limiting Example

2-16

2-10

Scaling and Limiting Interactions

2-16

2-11

Saturation and Rounding Interactions

2-17

2-12

Two’s Complement Word Representations

2-19

2-13

Rounding Position in Relation to Scaling Mode

2-21

2-14

Arithmetic Saturation Example

2-25

2-15

Fractional Signed and Unsigned Two’s Complement Multiplication

2-26

2-16

Integer Signed and Unsigned Two’s Complement Multiplication

2-28

2-17

Address Modifier (AM) Bits

2-37

2-18

Access Width Support for Address and Register Update Calculations

2-42

2-19

Memory Address Alignment

2-43

2-20

Addressing Modes Summary

2-43

2-21

Modulo Register Values for Modulo Addressing Mode

2-47

2-22

Modulo Register Values for Wrap-Around Modulo Addressing Mode

2-48

2-23

AGU Arithmetic Instructions

2-48

2-24

AGU Bit Mask Instructions (BMU)

2-50

2-25

AGU Move Instructions

2-52

2-26

Data Representation in Memory

2-58

2-27

Move Instructions in Big and Little Endian Modes

2-64

2-28

Stack Support Instructions in Big and Little Endian Modes

2-67

2-29

Bit Mask Instructions in Big and Little Endian Modes

2-67

2-31

Control Instructions in Big and Little Endian Modes

2-68

2-30

Non-Loop Change-of-Flow Instructions in Big and Little Endian Modes . . . .

2-68

3-1

Status Register Description

. 3-2

3-2

EMR Description

. 3-8

4-1

JTAG Interface Signal Descriptions

. 4-2

SC140 DSP Core Reference Manual

xv

Page 15
Image 15
Freescale Semiconductor SC140 specifications List of Tables