GMS34004

APR. 1997 Rev. 2.0 4-BIT SINGLE CHIP MICROCOMPUTERS GMS340 SERIES USER`S MANUAL GMS34004 GMS34012 GMS34112 GMS34120 GMS34140 GMS30000 EVA INTRODUCTION We hereby introduce the manual for CMOS 4-bit microcomputer GMS340 Series. This manual is prepared for the users who should understand fully the functions and features of GMS340 Series so that you can utilize this product to its fullest capacity. A detailed explanations of the specifications and applications regarding the hardware is hereby provided. The contents of this user`s manual are subject to change for the reasons of later improvement of the features. The information, diagrams, and other data in this user`s manual are correct and reliable; however, Hyundai Electronics Industries Co., Ltd. is in no way responsible for any violations of patents or other rights of the third party generated by the use of this manual Table of Contents Table of Contents Chapter 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Outline of Characteristics ..................... Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pin Assignment and Dimension . . . . . . . . . . . . . . . . . . . . I/O circuit types and options . . . . . . . . . . . . . . . . . . . . . . . Electrical Characteristics of GMS300 Series . . . . . . . . . . 1-1 1-1 1-2 1-3 1-7 1-10 Chapter 2 Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Block Descr...