參數(shù)資料
型號(hào): 6P8A
廠商: NEC Corp.
英文描述: MOS INTEGRATED CIRCUIT 4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
中文描述: 馬鞍山集成電路4位單片機(jī)的紅外遙控傳輸
文件頁(yè)數(shù): 91/95頁(yè)
文件大小: 692K
代理商: 6P8A
91
μ
PD6P8, 6P8A, 6P8B
Data Sheet U17848EJ3V0DS
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 Electronics.
(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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