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PAL/Secam/NTSC-TV Digital Video Encoder IP

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The DENC is a high performance PAL/SECAM/NTSC digital encoder. It converts two 4:4:4 digital video streams into a standard analog baseband PAL/SECAM/NTSC signal and into RGB and YPrPb (also known as YUV) analog components. The DENC can handle interlaced mode (in all standards) and non-interlaced mode in PAL and NTSC. It can perform closed caption, CGMS, WSS, VPS and Teletext encoding and allows Macrovision TM 7.01/6.1 copy protection. Six analog output pins are available.    


  • NTSC-M, PAL-BDGHI, N, M, Secam plus NTSC-4.43 encoding (optional pedestal in PAL and NTSC standards)
  • MacrovisionTM Rev7.01/Rev6.1 copy protection process in NTSC, PAL and Secam
  • Cross-color reduction by specific trap filtering on Luma within CVBS flow for both the CVBS (from main as well as aux) outputs
  • Closed captioning, CGMS, WSS, VPS encoding and TELETEXT encoding with included sequencer and shaping for both CVBS_MAIN and CVBS_AUX coming independently from main and aux video inputs
  • Digital frame sync input/output (ODDEVEN/VSYNC), programmable polarity and relative position.
  • Luma filtering with 2X oversampling and sin(y)/y correction
  • Chrominance filtering with 4X oversampling to either 1.1 MHz, 1.3 MHz, 1.6 MHz or 1.9 MHz (in PAL and NTSC) and chrominance filtering according to relevant Secam standards
  • Wide Chrominance bandwidth for RGB encoding (2.45 MHz IF CrCb are input at 6.75 MHz and 5.8 MHz IF CrCb are input at 13.5 MHz rate)
  • Saturation, contrast and brightness control of 4:4:4 aux and 4:4:4 main/ 4:2:2 from pad inputs
  • Programmable reset of color subcarrier phase (four modes)
  • Programmable access via parallel port
  • Programmable (4-bit) output levels RGB (-20% to +17%), C versus Y in CVBS and S-VHS (0 to +23.5%), PrPb (-25% to +22%), Y and CVBS (-25% to +22%) and C (-25% to +22%)
  • 4:4:4 input can be encoded on both RGB (YPrPb) and CVBS (S-VHS) outputs (programmable)
  • Autotest operation mode (on-chip color bar pattern 100/0/75/0)
  • Applications: satellite, cable and terrestrial digital TV decoders, multimedia terminals, DVD


  • Configurable RTL Code
  • HDL based test bench and behavioral models
  • Test cases
  • Protocol checkers, bus watchers and performance monitors
  • Configurable synthesis shell Documentation
  • Design Guide Verification Guide
  • Synthesis Guide
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