Appendix A Magic-
Appendix A Magic-
Software Spec Sheet
4 bit 1 chip microcomputer
Magic-
Infrared remote control encoder
4 key matrix scan
• Product
• Type
• Purpose
• Function
• Features
8
• Program memory (On-chip ROM) : 1024 bytes
• Data memory (On-chip RAM) : 32 4 bits
• 43 types of instruction sets
• 3 levels of subroutine nesting
• 1 bit output port for a large current (Output signal)
• Operating frequency : 300KHz to 1MHz
• Instruction cycle : 13.1868 (fosc=455KHz)
• CMOS process (Single 3V power supply)
• Stand-by function (Through internal instruction)
• Released stand-by mode by key input (Masked option)
• Built in capacitor for ceramic oscillation circuit (Masked option)
• Built in a watch dog timer (WDT)
• 3 kind of double action key for uPD6121G
• Provided with indicator for transmission
A - 1
HYNIX [ HYNIX SEMICONDUCTOR ]
