GMS30004 Datasheet, PDF (6/158 Pages) Hynix Semiconductor – 4-BIT SINGLE CHIP MICROCOMPUTERS

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
Ø $ 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
512
32 Ø 4
I/O ports
-
Input ports
4
Output ports
Package
6
D0 ~ D5
16DIP/SOP
à
à
4
à
6
D0 ~ D5
20DIP/SOP
1024
à
à
à
6
D0 ~ D5
à
à
à
à
à
8
D0 ~ D7
24DIP/SOP
à
à
à
à
10
D0 ~ D9
à
Table 1-1 GMS300 series members
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