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CLC031AVEC Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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CLC031AVEC Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 31 page  CLC031A SMPTE 292M/259M Digital Video Deserializer / Descrambler with Video and Ancillary Data FIFOs General Description The CLC031A SMPTE 292M / 259M Digital Video Deserializer/Descrambler with Video and Ancillary Data FIFOs is a monolithic integrated circuit that deserializes and decodes SMPTE 292M, 1.485Gbps (or 1.483Gbps) serial component video data, to 20-bit parallel data with a synchro- nized parallel word-rate clock. It also deserializes and de- codes SMPTE 259M, 270Mbps, 360Mbps and SMPTE 344M (proposed) 540Mbps serial component video data, to 10-bit parallel data. Functions performed by the CLC031A include: clock/data recovery from the serial data, serial-to-parallel data conversion, SMPTE standard data de- coding, NRZI-to-NRZ conversion, parallel data clock genera- tion, word framing, CRC and EDH data checking and han- dling, Ancillary Data extraction and automatic video format determination. The parallel video output features a variable- depth FIFO which can be adjusted to delay the output data up to 4 parallel data clock periods. Ancillary Data may be selectively extracted from the parallel data through the use of masking and control bits in the configuration and control registers and stored in the on-chip FIFO. Reverse LSB dith- ering is also implemented. The unique multi-functional I/O port of the CLC031A pro- vides external access to functions and data stored in the configuration and control registers. This feature allows the designer greater flexibility in tailoring the CLC031A to the desired application. The CLC031A is auto-configured to a default operating condition at power-on or after a reset com- mand. Separate power pins for the PLL, deserializer and other functional circuits improve power supply rejection and noise performance. The CLC031A has a unique Built-In Self-Test (BIST) and video Test Pattern Generator (TPG). The BIST enables com- prehensive testing of the device by the user. The BIST uses the TPG as input data and includes SD and HD component video test patterns, reference black, PLL and EQ pathologi- cals and a 75% saturation, 8 vertical colour bar pattern, for all implemented rasters. The colour bar pattern has optional transition coding at changes in the chroma and luma bar data. The TPG data is output via the parallel data port. The CLC030, SMPTE 292M / 259M Digital Video Serializer with Ancillary Data FIFO and Integrated Cable Driver, is the ideal complement to the CLC031A. The CLC031A’s internal circuitry is powered from +2.5 Volts and the I/O circuitry from a +3.3 Volt supply. Power dissipa- tion is typically 850mW. The device is packaged in a 64-pin TQFP. Features n SDTV/HDTV serial digital video standard compliant n Supports 270 Mbps, 360 Mbps, 540 Mbps, 1.483 Gbps and 1.485 Gbps serial video data rates with auto-detection n LSB de-dithering option n Uses low-cost 27MHz crystal or clock oscillator reference n Fast VCO lock time: < 500 µs at 1.485 Gbps n Built-in self-test (BIST) and video test pattern generator (TPG)* n Automatic EDH/CRC word and flag processing n Ancillary Data FIFO with extensive packet handling options n Adjustable, 4-deep parallel output video data FIFO n Flexible control and configuration I/O port n LVCMOS compatible control inputs and clock and data outputs n LVDS and ECL-compatible, differential, serial inputs n 3.3V I/O power supply and 2.5V logic power supply operation n Low power: typically 850mW n 64-pin TQFP package n Commercial temperature range 0˚C to +70˚C * Patent applications made or pending. Applications n SDTV/HDTV serial-to-parallel digital video interfaces for: — Video editing equipment — VTRs — Standards converters — Digital video routers and switchers — Digital video processing and editing equipment — Video test pattern generators and digital video test equipment — Video signal generators Ordering Information Order Number Package Type NS Package Number CLC031AVEC 64-Pin TQFP VEC-64A September 2004 © 2004 National Semiconductor Corporation DS200201 www.national.com |
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