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Document overview

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Technical content

Features

  • NTSC (M, 4.43) and PAL (B, D, G, H, I, M, N, N combination), PAL (60), SECAM with automatic format detection
  • 10-bit ADC and analog clamping circuit
  • Fully programmable static gain or automatic gain control for CVBS channel
  • Programmable white peak control for the CVBS channel
  • High quality adaptive 2D comb filter for both NTSC and PAL inputs
  • PAL delay line for color phase error correction
  • Image enhancement with 2D dynamic peaking/CTI
  • Digital sub-carrier PLL for accurate color decoding
  • Programmable hue, brightness, saturation, contrast, sharpness
  • Selectable differential or single-ended CVBS input
  • Digital horizontal PLL and advanced synchronization processing for VCR playback and weak signal performance
  • High quality horizontal and ve rtical filtered down scaling with arbitrary scale down ratio
  • Up to 3-CH differential or 6-CH single-ended CVBS input

FIGURE 1. FUNCTIONAL BLOCK DIAGRAM CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners.

2 FN8667.1 February 26, 2015 Submit Document Feedback Intersil products are manufactured, assembled and tested utilizing ISO9001 or TS16949 quality systems as applicable noted in the quality certifications found at www.intersil.com/en/support/qualandreliability.html Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com For additional products, see www.intersil.com/en/products.html Features (Continued) Digital Inputs Support

  • Supports RGB 24-bit input up to 1080p resolution at either 1.8V or 3.3V logic level
  • Supports both BT.656 and 60 1 video formats with H/VSYNC TFT Panel Support
  • Built-in programmable timing controller
  • Supports 3, 4, 6 or 8 bits per pixel up to 16.8 million colors with built-in dithering engine
  • Supports digital panels (TTL) or single channel LVDS panels up to WXGA (1366x768) resolution, 85MHz
  • Supports serial (8-bit) RGB panel Timing Controller (TCON)
  • Supports programmable interface signals for control
  • Column (source) driver/row (gate) driver BT.656 Output
  • Independent ITU-R 656 compatib le YCbCr(4:2:2) output format
  • ITU-R 656 output generated from decoder, DRGB and post scaling path
  • Max 148.5MHz with 3.3V, 74MHz with 1.8V Font Based On Screen Display
  • Four window font OSD with bordering/shadow
  • 6912B programmable font RAM and 512 display RAM
  • 1/2/3/4 bits/pixel
  • Supports variable width (12/16), height (2~32) Image Processing
  • High quality scaler with both up/down and panorama/water-glass scaling support
  • Built-in 2D de-interlacing function
  • Programmable brightness, contrast, saturation, hue and sharpness
  • Programmable color transi ent improvement control
  • Supports programmable cropping of input video and graphics
  • Independent RGB gain and offset controls
  • D T V h u e a d j u s t m e n t
  • Programmable 8-bit Gamma correction for each color
  • B l a c k / W h i t e S t r e t c h Clock Generation
  • Spread spectrum profile based on triangular modulation with center spread
  • Programmable modulation frequency and spread width Miscellaneous
  • Supports Fast Mode I 2C interface up to 400Kbps
  • Short Diagnostics: -S h o r t - t o - b a t t e r y -S h o r t - t o - g r o u n d
  • U p t o 3 P W M o u t p u t s
  • G P I O s
  • 1.8V internal operation
  • 1.8V/3.3V DTV input support
  • 1.8V/3.3V BT.656 output support
  • Hardware mute pin
  • S i n g l e 2 7 M H z c r y s t a l
  • 100 pin TQFP
  • TW8824AT-TA1-GR is AEC-Q100 qualified