GMS34112 datasheet(6/105 Pages) HYNIX

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CHAPTER 1. Introduction

OUTLINE OF CHARACTERISTICS

The GMS340 series are remote contol transmitter which uses CMOS technology.

This enables transmission code outputs of different configurations, multiple custom

code output, and double push key output for easy fabrication.

The GMS340 sereis are suitable for remote control of TV, VCR, FANS, Air-

conditioners, Audio Equipments, Toys and Games etc.

Characteristics

¡Ü

Program memory :

512 bytes for GMS34004/012

1024 bytes for GMS34112/120/140

¡Ü

Data memory : 32 ¡¿ 4 bits

¡Ü

43 types of instruction set

¡Ü

3 levels of subroutine nesting

¡Ü

1 bit output port for a large current (REMOUT signal)

¡Ü

Operating frequency : 300~500KHz or 2.4~4MHz for 300~500KHz operation

(Masked option)

¡Ü

Instruction cycle :

fOSC/6 (at 300~500KHz)

fOSC/48 (at 2.4~4MHz)

¡Ü

CMOS process (Single 3.0V power supply)

¡Ü

Stop mode (Through internal instruction)

¡Ü

Released stop mode by key input (Masked option)

¡Ü

Built in capacitor for ceramic oscillation circuit (Masked option)

¡Ü

Built in a watch dog timer (WDT)

¡Ü

Low operating voltage : 2.0~4.0V (at 300~500KHz)

2.2~4.0V (at 2.4~4MHz)

Series

Program memory

Data memory

I/O ports

Input ports

Output ports

Package

GMS34004

512

32 ¡¿ 4

D0 ~ D5

16DIP/SOP

GMS34012

¡ç

D0 ~ D5

20DIP/SOP

GMS34112

1024

¡ç

D0 ~ D5

¡ç

GMS34120

¡ç

D0 ~ D7

24DIP/SOP

GMS34140

¡ç

D0 ~ D9

¡ç

Table 1-1 GMS340 series members

Chapter 1. Introduction

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