1. overview
1.1 SCU overview
1.2 SCU mapping
1.3 SCU register map

2. Operation explanation
2.1 DMA transfer
2.2 Interrupt control
2.3 DSP

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

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

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

(C)SEGA ENTERPRISES, LTD., 1997