HMS38112 Datasheet, PDF (16/73 Pages) List of Unclassifed Manufacturers – 4-BIT SINGLE CHIP MICROCOMPUTERS

Chapter 2.HMS39112
CHAPTER 2. HMS39112
Outline of characteristics
The HMS39112 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 HMS39112 is suitable for remote control of TV, VCR, FANS, Air-conditioners,
Audio Equipments, Toys, Games etc.
It is possible to structure the 8 x 7 key matrix.
Characteristics
• Program memory : 1,024 bytes
Ø • 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 Low Voltage reset circuit
• Built in a watch dog timer (WDT)
• Low operating voltage : 2.0 ~ 3.6V
• 20 pin PDIP/SOP/SSOP package
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