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WD90C11IWD90C11A

TABLE OF CONTENTS
Section Title Page

1.0 INTRODUCTION 13-1
1.1 Document Scope 13-1
1.2 Features 13-1
1.3 General Description 13-2

2.0 WD90C11 (A) ARCHITECTURE 13-3
2.1 WD90C11 (A) Modules . 13-3

3.0 WD90C11 (A) INTERFACES 13-4
3.1 CPU and BIOS ROM Interface 13-4
3.2 DRAM Interface 13-4
3.3 Video Interface . . . . 13-4
3.4 Clock Interface . . . . 13-6
3.5 Power-up Configuration 13-6

4.0 SIGNAL DESCRIPTIONS 13-7

5.0 WD90C11 (A) REGISTERS