JUNE.2001
Rev. 1.1
4-BIT SINGLE CHIP MICROCOMPUTERS
GMS36/37XXX(T) SERIES
USER`S MANUAL
• GMS36/37004(T)
• GMS36/37112(T)
• GMS36/37140(T)
Revision 2.0
Published by
MCU Application Team in MagnaChip Semiconductor Ltd.
All Right Reserved.
Additional information of this manual may be served by MagnaChip Offices in Korea or Distributors
and Representative listed at address directory.
MagnaChip semiconductior Ltd. reserves the right to make changes to any Information here in at any
time without notice.
The information, diagrams, and other data in this manual are correct and reliable; however,
MagnaChip Semicon 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
GMS36XXX
………...………………..……………………1-1
……………………………………………….1-1
……………………………………………….1-2
……………………………………………….1-3
……………………………………………….1-4
……………………………………………….1-5
……………………………………………….1-7
……………………………………………….1-7
……………………………………………….1-8
Description
Features
Block diagram
Pin assignment
Pin description
Pin circuit
Port operation
Optional features
Electrical characteristics
Chapter 2
GMS37XXX
………...………………..……………………2-1
……………………………………………….2-1
……………………………………………….2-2
……………………………………………….2-3
……………………………………………….2-4
……………………………………………….2-5
……………………………………………….2-7
……………………………………………….2-7
……………………………………………….2-8
Description
Features
Block diagram
Pin assignment
Pin description
Pin circuit
Port operation
Optional features
Electrical characteristics
Chapter 3
Chapter 4
PACKAGE DIMENSIONS
FUNCTIONAL DESCRIPTION
……………………………………………….4-1
……………………………………………….4-2
……………………………………………….4-3
……………………………………………….4-3
……………………………………………….4-4
……………………………………………….4-4
……………………………………………….4-4
……………………………………………….4-5
……………………………………………….4-6
……………………………………………….4-7
……………………………………………….4-8
………………………………………………4-10
………………………………………………4-11
Program memory (ROM)
ROM address register
Data memory (RAM)
X-register (X)
Y-register (Y)
Accumulator (Acc)
Arithmetic and Logic Unit (ALU)
State Counter (SC)
Clock generator
Pulse generator
Reset operation
Watch Dog Timer (WDT)
Stop operation
Table of Contents
Chapter 5
INSTRUCTION
………………...……………………………5-1
…………………...…………………………5-2
……………………...………………………5-4
Instruction format
Instruction table
Details of instruction system
Chapter 6
APPLICATION
………………………...……………………6-1
…………………………...…………………6-2
………………………………...……………6-3
…………………………………...…………6-4
……………………………………...………6-5
………………………………………...……6-6
…………………………...………………..6-12
……………………………...……………..6-13
Guideline for S/W
GMS36112 Circuit diagram
GMS37112 Circuit diagram
Truth Table for example program
Output waveform of uPD6121G
Example program-uPD6121G
Reference to GMS36XXXT B/D
Reference to GMS37XXXT B/D
Chapter 7
GMS36XXXT
………...………………..……………………7-1
……………………………………………….7-1
……………………………………………….7-2
……………………………………………….7-3
……………………………………………….7-4
Description
Features
Pin description
Stop operation
Electrical characteristics
Chapter 8
GMS37XXXT
………...………………..……………………8-1
……………………………………………….8-1
……………………………………………….8-2
……………………………………………….8-3
……………………………………………….8-4
Description
Features
Pin description
Stop operation
Electrical characteristics
Chapter 9
EPROM
Mode define
……………………………………………….9-1
Port define for GMS36XXXT
……………………………………………….9-1
Port define for GMS37XXXT
……………………………………………….9-2
AC/DC timing requirements for program / read mode
...…………….9-3
Program / verify timing diagrams in kHz version
……………....9-4
Program / verify timing diagrams in MHz version
……………….9-8
Caution when programming
…..………….9-14
GMS36XXX
GMS37XXX
PACKAGE DIMENSIONS
FUNCTIONAL DESCRIPTION
INSTRUCTION
APPLICATION
GMS36XXXT
GMS37XXXT
EPROM
1
2
3
4
5
6
7
8
9
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