4-BIT SINGLE CHIP MICROCOMPUTERS
GMS34XXXT SERIES
USER`S MANUAL
• GMS34004T
• GMS34112T
• GMS34140T
Revision 1.1
Published by MCU Application Team in HYNIX Semiconductor Inc.
All Right Reserved.
Editor's E-Mail :
rhja@hynix.com
Additional information of this manual may be served by HYNIX Semiconductor Inc.Offices in
Korea or Distributors and Representative listed at address directory.
HYNIX Semiconductor Inc.reserves the right to make changes to any Information here at any
time without notice.
The information, diagrams, and other data in this manual are correct and reliable; however, HYNIX
Semiconductor Inc.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
............................................................................................1-1
Outline of Characteristics
.................................................................1-1
Characteristics
..................................................................................1-1
Block Diagram
..................................................................................1-2
Pin Assignment and Terminal
..........................................................1-3
Pin Dimension
..................................................................................1-4
Pin Description and Circuit .................................................................1-7
I/O circuit types and options
.............................................................1-8
Electrical Characteristics
................................................................1-10
Chapter 2
Architecture
...........................................................................................2-1
Block Description
.............................................................................2-1
Program Memory (ROM)
..................................................................2-1
EPROM Address Register
................................................................2-2
Data Memory (RAM)
........................................................................2-3
X-Register (X)
...................................................................................2-3
Y-Register (Y) ...................................................................................2-4
Accumulator (Acc)
............................................................................2-4
Arithmetic and Logic Unit (ALU)
.......................................................2-4
State Counter (SC)
...........................................................................2-5
Clock Generator
...............................................................................2-6
Pulse Generator
...............................................................................2-7
Initial Reset Circuit ............................................................................2-8
Watch Dog Timer (WDT)
.................................................................2-8
Stop Function ....................................................................................2-9
Port Operation
..................................................................................2-9
Chapter 3
Instruction
........................................................................................3-1
Table of Contents
Chapter 4
EPROM
.................................................................................................4-1
GMS34004TK/34112TK/34140TK
.........................................................4-1
Mode Define
.....................................................................................4-1
Port Define
.......................................................................................4-2
Programming Data
...........................................................................4-2
Write/Read Data Conversion
............................................................4-3
Checksum .........................................................................................4-3
Programming Control ........................................................................4-3
Programming DC Specification .........................................................4-3
EPROM read mode(1/2)
...................................................................4-4
EPROM read mode (2/2)
..................................................................4-4
EPROM write mode (1/2) ..................................................................4-5
EPROM write mode (2/2) ..................................................................4-5
Lock bit write mode (1/2)
..................................................................4-6
Lock bit write mode (2/2)
..................................................................4-6
Lock bit read mode (1/2)
..................................................................4-7
Lock bit read mode (2/2)
..................................................................4-7
GMS34004T/112T/140T (Pin assignment & Package) .....................4-8
EPROM (KHz) mode .........................................................................4-9
EPROM write only mode
..................................................................4-9
GMS34004TK/34112TK/34140TK
.............................................................4-10
Mode Define .....................................................................................4-10
Port Define ........................................................................................4-11
Programming Data ...........................................................................4-11
Write/Read Data Conversion ............................................................4-12
Checksum ........................................................................................4-12
Programming Control ......................................................................4-12
Programming DC Specification ........................................................4-12
EPROM read mode(1/2) ...................................................................4-13
EPROM read mode (2/2) ...................................................................4-13
EPROM write mode (1/4) ..................................................................4-14
EPROM write mode (2/4) ..................................................................4-14
EPROM write mode (3/4) ..................................................................4-15
EPROM write mode (4/4) ..................................................................4-15
Lock bit write mode (1/3) ..................................................................4-16
Lock bit write mode (2/3) ..................................................................4-16
Lock bit write mode (3/3) ..................................................................4-16
Lock bit read mode (1/2) ..................................................................4-18
Lock bit read mode (2/2) ..................................................................4-18
INTRODUCTION
ARCHITECTURE
INSTRUCTION
EPROM
1
2
3
4
