Chapter 1. Introduction
CHAPTER 1. Introduction
OUTLINE OF CHARACTERISTICS
The GMS300 series is a family of 4-bit, single chip CMOS microcomputer.
Since it can form a system by one chip, it contributes to cost reduction and higher
efficiency in system.
Characteristics
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512 bytes for GMS30004/012
1024 bytes for GMS30112/120/140
Data memory : 32 4 bits
43 types of instruction set
3 levels of subroutine nesting
1 bit output port for a large current (REMOUT signal)
Operating frequency : 300KHz to 1MHz
Instruction cycle : 12.5usec @480KHz
CMOS process (Single 3.0V power supply)
Stop mode (Through internal instruction)
Released stop mode by key input (Masked option)
Built in capacitor for ceramic oscillation circuit (Masked option)
Built in a watch dog timer (WDT)
Low operating voltage : (2.0~4.0V)
Program memory :
Ø
Series
Program memory
Data memory
I/O ports
Input ports
Output ports
Package
GMS30004
512
32
GMS30012
à
à
4
GMS30112
1024
GMS30120
à
à
à
à
8
D0 ~ D7
24DIP/SOP
GMS30140
à
à
à
à
10
D0 ~ D9
Ø
4
-
4
6
à
à
à
6
D0 ~ D5
à
6
D0 ~ D5
20DIP/SOP
D0 ~ D5
16DIP/SOP
à
à
Table 1-1 GMS300 series members
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HYNIX [ HYNIX SEMICONDUCTOR ]
