參數(shù)資料
型號： UPD65
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)： 58/64頁
文件大小： 399K
代理商： UPD65
58
μ
PD64A, 65
Data Sheet U14380EJ2V0DS00
APPENDIX C. 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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