Datenblatt-Suchmaschine für elektronische Bauteile |
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GS1672 Datenblatt(PDF) 2 Page - Gennum Corporation |
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GS1672 Datenblatt(HTML) 2 Page - Gennum Corporation |
2 / 116 page 2 of 116 GS1672 HD/SD-SDI Serializer with Complete SMPTE Audio & Video Support Data Sheet 53623 - 6 July 2011 Description The GS1672 is a complete SDI Transmitter, generating a SMPTE 292, SMPTE 259M-C or DVB-ASI compliant serial digital output signal. The integrated Narrow BW PLL allows the device to accept parallel clocks with high input jitter, and still provide a SMPTE compliant serial digital output. The device can operate in four basic user selectable modes: SMPTE mode, DVB-ASI mode, Data-Through mode, or Standby mode. In DVB-ASI mode, the device will perform 8b/10b encoding prior to transmission. In Data-Through mode, all SMPTE and DVB-ASI processing is disabled. The device can be used as a simple parallel to serial converter. The device can also operate in a lower power Standby mode. In this mode, no signal is generated at the output. The GS1672 integrates a fully SMPTE-compliant Cable Driver for SMPTE 259M-C and SMPTE 292 interfaces. It features automatic dual slew-rate selection, depending on HD or SD operational requirements. In accordance with SMPTE 272M and SMPTE 299M, up to eight channels (two audio groups) of serial digital audio may be embedded into the video data stream.The input audio signal formats supported by the device include AES/EBU, I2C and serial audio. 16, 20 and 24-bit audio formats are supported at 48kHz synchronous for SD modes and 48kHz synchronous or asynchronous in HD modes. Functional Block Diagram Figure A: GS1672 Functional Block Diagram Input Mux/ Demux DIN[19:0] ANC Data Insertion TRS , Line Number and CRC Insertion EDH Packet Insertion DVB-ASI 8b/10b Encoder F/DE V/VSYNC H/HSYNC TIM_861 Parallel to Serial Converter Mux SMPTE Cable Driver SDO SDO RSET SDO_EN/DIS PCLK ACLK1 ACLK2 WCLK1 WCLK2 Ain_1/2 Ain_3/4 Ain_5/6 Ain_7/8 AUDIO_INT GRP1_EN/DIS GRP2_EN/DIS HANC/ VANC Blanking PLL with Low Noise VCO Narrow BW PLL LOCKED NRZ/NRZI SMPTE Scrambler CD_VDD CD_GND PLL_VDD PLL_GND AVDD AGND VCO_VDD VCO_GND SMPTE 352M Generation and Insertion HD/SD Audio Embedding GSPI Host Interface JTAG Controller 20BIT/10BIT ANC_BLANK |
Ähnliche Teilenummer - GS1672 |
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Ähnliche Beschreibung - GS1672 |
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