參數(shù)資料
型號: UPD6P5
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): 26/32頁
文件大?。?/td> 232K
代理商: UPD6P5
26
μ
PD6P5
Data Sheet U14760EJ1V0DS00
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>
(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
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>
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