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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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GS1503B Datenblatt(PDF) 6 Page - Gennum Corporation |
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GS1503B Datenblatt(HTML) 6 Page - Gennum Corporation |
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6 / 90 page  GS1503B HD Embedded Audio CODEC Data Sheet 37953 - 1 December 2009 6 of 90 1.1 Pin Descriptions Table 1-1: Pin Descriptions Number Symbol Type Description 1, 14, 27, 31, 37, 52, 60, 68, 73, 84, 97, 104, 109, 117, 125, 133 VDD – +3.3V power supply pins. 2 AIN7/8 I Audio signal input for channels 7 and 8. AES/EBU digital audio data is bi-phase mark encoded. For all non-AES/EBU input modes, bi-phase mark encoding is not required. 3 AIN5/6 I Audio signal input for channels 5 and 6. AES/EBU digital audio data is bi-phase mark encoded. For all non-AES/EBU input modes, bi-phase mark encoding is not required. 4 AIN3/4 I Audio signal input for channels 3 and 4. AES/EBU digital audio data is bi-phase mark encoded. For all non-AES/EBU input modes, bi-phase mark encoding is not required. 5 AIN1/2 I Audio signal input for channels 1 and 2. AES/EBU digital audio data is bi-phase mark encoded. For all non-AES/EBU input modes, bi-phase mark encoding is not required. 6 WCINB I 48kHz word clock for channels 5 to 8. Used only when operating in Multiplex Mode and when the audio source is not an AES/EBU data stream. This pin should be grounded when inputting AES/EBU digital audio data or when operating in Demultiplex Mode (DEC_MODE set LOW). 7 WCINA I 48kHz word clock for channels 1 to 4. Used only when operating in Multiplex Mode and when the audio source is not an AES/EBU data stream. This pin should be grounded when inputting AES/EBU digital audio data or when operating in Demultiplex Mode (DEC_MODE set LOW). 8 DSCBYPASS I Descrambler bypass. When set LOW, the internal SMPTE 292M descrambler is enabled. When set HIGH, the internal SMPTE 292M descrambler is bypassed. The video input to the device must be word aligned. 9 PLLCNTB O Audio clock PLL control signal for channels 5 to 8. 10 PLLCNTA O Audio clock PLL control signal for channels 1 to 4. 11 CASCADE I Cascade mode select. When set HIGH, the GS1503B will default to audio groups 3 and 4. Two GS1503B devices can then be cascaded in series to allow up to 16 channels of audio to be multiplexed or demultiplexed (only one device requires CASCADE to be set HIGH). When set LOW, the GS1503B will default to audio groups 1 and 2. 12 MUTE I Audio mute. In Multiplex Mode, when set HIGH, the embedded audio packets are forced to '0'. In Demultiplex Mode, when set HIGH, the audio output data is forced to "0". 13 ANCI I Ancillary data delete select. Valid in Demultiplex Mode only. When set HIGH, all ancillary data packets are removed from both the Luma and Chroma channels of the input video signal. The data contained in the packets are output at the corresponding pins. When set LOW, all ancillary data packets remain in the video signal. See Demultiplex Mode With Word Clock Input on page 73 . 15 MUX/DEMUX I Mode of operation. When set LOW, the GS1503B operates in Multiplex Mode. When set HIGH, the GS1503B operates in Demultiplex Mode. |
Ähnliche Teilenummer - GS1503B |
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Ähnliche Beschreibung - GS1503B |
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