GMS30004 Datasheet, PDF (118/158 Pages) Hynix Semiconductor – 4-BIT SINGLE CHIP MICROCOMPUTERS

é Appendix B Magic- a
- Repeat code
0.56ms
9ms
4.5ms
- Bit Description
Bit Ì0Ì
0.56ms
1.125ms
Bit Ì1Ì
0.56ms
2.25ms
- Flame Interval : Tf
The transmitted waveform as long as a key is depressed
Tf
Tf
- Double Key Operation
Key 21
Key 22
Key 23
Tf = 108ms @455KHz
(L : Key-ON state)
Key 21
Data
transmit
Key 21, 22
Multi-press
Data
transmit
Key 22
Data
transmit
Transmit
stop
Key 23
Data
transmit
Key 21, 23
Multi-press
Data
transmit
B-4