Transcription of SAMPLE INFRARED CODE FORMATS
1 SAMPLE INFRARED code FORMATSF ormats described in this document:SonyMatsushitaNECRC5 Celadon, Tamal Plaza, Suite 520 Corte Madera, CA 94925 Tel: +1 (415) 472-1177 x201 Main Tel: +1 (415) 472-1177 Fax: +1 (415) 472-11792 ProtocolThis section covers some of the most common transmission signal's SonyThe modulated carrier is usually derived from 480kHz and is 1/12 of thefrequency with 1/3 duty data are transmitted repeatedly, the frame cycle is 45ms or frame consists of a syn pulse, a seven-bit data code and a five-bit timing definitions of the output code waveform are shown ItemTime (sec.)Time (no. of period)Syn off on time (0) on time (1) period (0) period (1) output cycle45ms150 TWhere T= "0"Data "1"Syn Pulse150T150T150T150 TCustom code5 bitData code7 bitSyn pulseC4C3C2C1C0D6D5D4D3D2D1D08T2T2T4T2T3 2.
2 MatsushitaThe modulated carrier is usually derived from 440kHz and is 1/12 of thefrequency with 1/2 duty data are transmitted repeatedly, the frame cycle is or frame consists of a syn pulse, a six-bit custom code , six-bit data code , asix-bit inverted custom code and a six-bit inverted data timing definitions of the output code waveform are shown ItemTime (sec.)Time (no. of period)Syn pulse on pulse off on time (0) off time (0) on time (1) off time (1) period (0) period (1) output T= "0"End of transmissionData "1"Syn Pulse240T240T240T240 TInverted Data code6 bitData code6 bitInverted Custom code6 bitCustom code6 bitSyn pulseD'5D'4D'3D'2D'1D'0C'4C'3C'2C'1C'0C' 5D5D4D3D2D1D0C5C4C3C2C0C18T8T2T2T2T2T6 TEnd oftransmission43.
3 NECThe modulated carrier is usually derived from 455kHz and is 1/12 of thefrequency with 1/3 duty data are transmitted repeatedly, the frame cycle is or frame consists of a syn pulse, an eight-bit custom code , an eight-bitinverted custom code , an eight-bit data code and an eight-bit inverted timing definitions of the output code waveform are shown ItemTime (sec.)Time (no. of period)Syn pulse on pulse off pulse off time(subsequent frame) on time (0) off time (0) on time (1) off time (1) period (0) period (1) output T= "0"End of transmissionData "1"186T186T186T186 TInverted Data code8 bitData code8 bitInverted Custom code8 bitCustom code8 bitSyn pulseD'7D'6D'5D'1D'0D6D5D1D0D7C'7C'6C'5C '1C'0C7C6C5C0C1 TTTTT3 TSyn oftransmissionSubsequent RC5 The modulated carrier is usually derived from 432kHz and is 1/12 of thefrequency with 1/3 duty data are transmitted repeatedly, the frame cycle is or frame consists of a two-bit syn code , a one-bit control code , a five-bitsystem code , and a six-bit data timing definitions of the output code waveform are shown ItemTime (sec.)
4 Time (no. of period)Data off on period (0) period (1) output T= bitData "0"Data "1"256T256T256T256 TData code6 bitCustom code5 bitD4D3D2D1D0C4C3C2C1C0 TGS1S02T2T2T2T1 control bit(toggle)
