HARDWARE Manual

SCU User's Manual

3rd edition

November 1, 1996


Introduction

This manual and the functions of the system controller (S ystem C ontrol U nit) , explains the how to use. The system controller mainly uses bus control to execute data transfer at high speed and smoothly.

Manual structure

This manual consists of the following chapters, a table of contents , 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 Instruction list
4.3 Operand execution method
4.4 Execution of special processing
4.5 Instruction details

appendix

SCU DSP Assembler Instruction Manual 1994/7/8 Edition

SCU DSP Simulator User's Manual 1994/8/25 Edition

Explanation of words

Chart table of contents

index


HARDWARE Manual
Copyright SEGA ENTERPRISES, LTD., 1997