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
Program memory : 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)
Series
GMS30004
GMS30012 GMS30112 GMS30120 GMS30140
Program memory
Data memory
I/O ports
512
1024
32
4
-
4
Input ports
4
6
6
6
8
10
Output ports
Package
D0 ~ D5
D0 ~ D5
D0 ~ D5
D0 ~ D7
D0 ~ D9
16DIP/SOP
20DIP/SOP
24DIP/SOP
Table 1-1 GMS300 series members
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HYNIX [ HYNIX SEMICONDUCTOR ]
