VER. 1.00
Published by
MCU Application Team in MagnaChip Semiconductor Ltd. Co., Ltd.
MagnaChip Semiconductor Ltd. 2004 All Right Reserved.
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Chapter 1.HMS38112
CHAPTER 1. HMS38112
Outline of characteristics
The HMS38112 is remote control 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 HMS38112 is suitable for remote control of TV, VCR, FANS, Air-conditioners,
Audio Equipments, Toys, Games etc.
Characteristics
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Program memory : 1,024 bytes
Data memory : 32 4 bits
43 types of instruction set
3 levels of subroutine nesting
Operating frequency : 2.4MHz ~ 4MHz
Instruction cycle : f
OSC
/48
CMOS process (Single 3.0V power supply)
Stop mode (Through internal instruction)
Released stop mode by key input(mask option)
Built in Power-on Reset circuit
Built in Transistor for I.R LED Drive : I
OL
=250mA at V
DD
=3V and V
O
=0.3V
Built in Low Voltage reset circuit
Built in a watch dog timer (WDT)
Low operating voltage : 2.0 ~ 3.6V
20 pin PDIP/SOP/SSOP package
Ø
1-1
Embedded System
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