GMS30004 Datasheet, PDF (140/158 Pages) Hynix Semiconductor – 4-BIT SINGLE CHIP MICROCOMPUTERS

ë Appendix E Magic- a
2) Output waveform of RC-5
A single pulse, modulated with 37.917KHz signal at 455KHz
7F
Carrier frequency
f_CAR = 1/Tc = f_OSC/12
Duty ratio = T1/Tc = 1/3
7
- Configuration of Flame
1st flame
Enlarged
Start
Toggle
bit
bit
System bit
Data bit
MSB
LSB
14bits = 23.446ms
- Bit Description
Bit Ì0Ì
¶ 839
¶ 1674
Bit Ì1Ì
¶ 847.6
¶ 1674
- Flame Interval : Tf
The transmitted waveform as long as a key is depressed
23.446ms
107.6ms @455KHz
E-4