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SAA7109A Datasheet(PDF) 3 Page - NXP Semiconductors |
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SAA7109A Datasheet(HTML) 3 Page - NXP Semiconductors |
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3 / 197 page  2004 Jun 29 3 Philips Semiconductors Product specification HD-CODEC SAA7108AE; SAA7109AE 1 FEATURES 1.1 Video decoder • Six analog inputs, internal analog source selectors, e.g. 6 × CVBS or (2 × Y/C and 2 × CVBS) or (1 × Y/C and 4 × CVBS) • Two analog preprocessing channels in differential CMOS style for best S/N performance • Fully programmable static gain or Automatic Gain Control (AGC) for the selected CVBS or Y/C channel • Switchable white peak control • Two built-in analog anti-aliasing filters • Two 9-bit video CMOS Analog-to-Digital Converters (ADCs), digitized CVBS or Y/C signals are available on the Image Port Data (IPD) port under I2C-bus control • On-chip clock generator • Line-locked system clock frequencies • Digital PLL for horizontal sync processing and clock generation, horizontal and vertical sync detection • Requires only one crystal (either 24.576 MHz or 32.11 MHz) for all standards • Automatic detection of 50 and 60 Hz field frequency, and automatic switching between PAL and NTSC standards • Luminance and chrominance signal processing for PAL BGHI, PAL N, combination PAL N, PAL M, NTSC M, NTSC-Japan, NTSC N, NTSC 4.43 and SECAM • User programmable luminance peaking or aperture correction • Cross-colour reduction for NTSC by chrominance comb filtering • PAL delay line for correcting PAL phase errors • Brightness Contrast Saturation (BCS) and hue control on-chip • Two multi functional real-time output pins controlled by the I2C-bus • Multi-standard VBI data slicer decoding World Standard Teletext (WST), North-American Broadcast Text System (NABTS), Closed Caption (CC), Wide Screen Signalling (WSS), Video Programming System (VPS), Vertical Interval Time Code (VITC) variants (EBU/SMPTE) etc. • Standard ITU 656 Y-CB-CR 4:2:2 format (8-bit) on IPD output bus • Enhanced ITU 656 output format on IPD output bus containing: – active video – raw CVBS data for INTERCAST applications (27 MHz data rate) – decoded VBI data • Detection of copy protected input signals according to the Macrovision ™(1) standard. Can be used to prevent unauthorized recording of pay-TV or video tape signals. 1.2 Video scaler • Both up and downscaling • Conversion to square pixel format • NTSC to 288 lines (video phone) • Phase accuracy better than 1/64 pixel or line, horizontally or vertically • Independent scaling definitions for odd and even fields • Anti-alias filter for horizontal scaling • Provides output as: – scaled active video – raw CVBS data for INTERCAST, WAVE-PHORE, POPCON applications or general VBI data decoding (27 MHz or sample rate converted) • Local video output for Y-CB-CR 4 : 2 : 2 format (VMI, VIP, ZV). (1) Macrovision ™ is a trademark of the Macrovision Corporation. |
Similar Part No. - SAA7109A |
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Similar Description - SAA7109A |
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