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參數(shù)資料
| 型號： | UPD6P4BGS |
| 廠商： | NEC Corp. |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION |
| 中文描述： | 4位單片機的紅外遙控傳輸 |
| 文件頁數(shù)： | 28/32頁 |
| 文件大?。?/td> | 187K |
| 代理商： | UPD6P4BGS |
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28
μ
PD6P4B
Data Sheet U13594EJ2V0DS00
APPENDIX B. EXAMPLE OF REMOTE-CONTROL TRANSMISSION FORMAT
(in the case of NEC transmission format in command one-shot transmission mode)
Caution When using the NEC transmission format, please apply for a custom code at NEC.
(1) REM output waveform (From <2> on, the output is made only when the key is kept pressed.)
REM output
58.5 to 76.5 ms
< 1 >
108 ms
108 ms
< 2 >
Remark
If the key is repeatedly pressed, the power consumption of the infrared light-emitting diode (LED) can
be reduced by sending the reader code and the stop bit from the second time.
(2) Enlarged waveform of <1>
REM output
13.5 ms
Leader code
9 ms
4.5 ms
Custom code
8 bits
Custom code'
8 bits
Data code
8 bits
Data code
8 bits
27 ms
18 to 36 ms
58.5 to 76.5 ms
Stop Bit
1 bit
< 3 >
(3) Enlarged waveform of <3>
REM output
9 ms
13.5 ms
0
4.5 ms
1
1
0
0
2.25 ms
1.125 ms
0.56 ms
(4) Enlarged waveform of <2>
REM output
9 ms
11.25 ms
Leader code
2.25 ms
0.56 ms
Stop Bit
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