SCU User's Manual

3rd edition

November 1, 1996

Introduction

This manual explains the functions of the system controller ( System Control Unit ) and how to use it. The system controller primarily uses bus control to execute data transfers quickly and smoothly.

Manual structure

This manual consists of the following chapters, a table of contents with figures , and an index .

Chapter 1 Overview

1.1 SCU overview

1.2 SCU mapping

1.3 SCU register map

Chapter 2 Operation explanation

2.1 DMA transfer

2.2 Interrupt control

2.3 DSP

Chapter 3 Register details

3.1 Register list

3.2 DMA control register

3.3 DSP control port

3.4 Timer register

3.5 Interrupt Control Register

3.6 A-Bus Control Register

      Restrictions when using A-Bus

3.7 SCU Control Register

Chapter 4 DSP control

4.1 DSP internal block diagram

4.2 Command list

4.3 Operand execution method

4.4 Executing special processing

4.5 Instruction details

appendix

SCU register list

SCU DSP Assembler Instruction Manual 1994/7/8 edition

SCU DSP simulator instruction manual 1994/8/25 edition

explanation of words

Table of contents

index