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GS1532 Datasheet(PDF) 1 Page - Gennum Corporation |
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GS1532 Datasheet(HTML) 1 Page - Gennum Corporation |
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1 / 52 page  www.gennum.com GS1532 HD-LINX™ II Multi-Rate Serializer GS1532 Data Sheet 21498 - 6 June 2005 1 of 52 Key Features • SMPTE 292M and SMPTE 259M-C compliant scrambling and NRZ → NRZI encoding (with bypass) • DVB-ASI sync word insertion and 8b/10b encoding • user selectable additional processing features including: • CRC, ANC data checksum, and line number calculation and insertion • TRS and EDH packet generation and insertion • illegal code remapping • internal flywheel for noise immune TRS generation • 20-bit / 10-bit CMOS parallel input data bus • 148.5MHz / 74.25MHz / 27MHz / 13.5MHz parallel digital input • automatic standards detection and indication • Pb-free and RoHS Compliant • 1.8V core power supply and 3.3V charge pump power supply • 3.3V digital I/O supply • JTAG test interface • small footprint compatible with GS1560A, GS1561, GS9060, and GS9062 Applications • SMPTE 292M Serial Digital Interfaces • SMPTE 259M-C Serial Digital Interfaces • DVB-ASI Serial Digital Interfaces Description The GS1532 is a multi-standard serializer with an integrated cable driver. When used in conjunction with the GO1525 Voltage Controlled Oscillator, a transmit solution can be realized for HD-SDI, SD-SDI and DVB-ASI applications. In addition to serializing the input, the GS1532 performs NRZ-to-NRZI encoding and scrambling as per SMPTE 292M/259M-C when operating in SMPTE mode. When operating in DVB-ASI mode, the device will insert K28.5 sync characters and 8b/10b encode the data prior to serialization. Parallel data inputs are provided for 10-bit multiplexed or 20-bit demultiplexed formats at both HD and SD signal rates. An appropriate parallel clock input signal is also required. The integrated cable driver features an output mute on loss of parallel clock, high impedance mode, adjustable signal swing, and automatic dual slew rate selection depending on HD/SD operational requirements. The GS1532 also includes a range of data processing functions including automatic standards detection and EDH support. The device can also insert TRS signals, calculate and insert line numbers and CRC’s, re-map illegal code words and insert SMPTE 352M payload identifier packets. All processing features are optional and may be enabled/disabled via external control pin(s) and/or host interface programming. The GS1532 is Pb-free, and the encapsulation compound does not contain halogenated flame retardant. This component and all homogeneous subcomponents are RoHS compliant. |
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