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HMP8117 Dataheets PDF



Part Number HMP8117
Manufacturers Intersil Corporation
Logo Intersil Corporation
Description NTSC/PAL Video Decoder
Datasheet HMP8117 DatasheetHMP8117 Datasheet (PDF)

HMP8117 Data Sheet January 1999 File Number 4643 NTSC/PAL Video Decoder The HMP8117 is a high quality NTSC and PAL video decoder with internal A/D converters. It is compatible with NTSC M, PAL B, D, G, H, I, M, N, and combination N (NC) video standards. Both composite and S-video (Y/C) input formats are supported. A 2-line comb filter plus a user-selectable chrominance trap filter provide high quality Y/C separation. User adjustments include brightness, contrast, saturation, hue, and sharpness. V.

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HMP8117 Data Sheet January 1999 File Number 4643 NTSC/PAL Video Decoder The HMP8117 is a high quality NTSC and PAL video decoder with internal A/D converters. It is compatible with NTSC M, PAL B, D, G, H, I, M, N, and combination N (NC) video standards. Both composite and S-video (Y/C) input formats are supported. A 2-line comb filter plus a user-selectable chrominance trap filter provide high quality Y/C separation. User adjustments include brightness, contrast, saturation, hue, and sharpness. Vertical blanking interval (VBI) data, such as Closed Captioning, Wide Screen Signalling and Teletext, may be captured and output as BT.656 ancillary data. Closed Captioning and Wide Screen Signalling information may also be read out via the I2C interface. The Videolyzer™ feature provides approved Macrovision™ copy-protection bypass and detection. Features • (M) NTSC and (B, D, G, H, I, M, N, NC) PAL Operation - Optional Auto Detect of Video Standard - ITU-R BT.601 (CCIR601) and Square Pixel Operation • Videolyzer Feature - Macrovision™ Bypass and Detection • Digital Anti-Alias Filter • Power Down Mode • Digital Output Formats - VMI Compatible - 8-bit, 16-bit 4:2:2 YCbCr - 15-bit (5,5,5), 16-bit (5,6,5) RGB - Linear or Gamma-Corrected - 8-bit BT.656 • Analog Input Formats - Three Analog Composite Inputs - Analog Y/C (S-video) Input • “Raw” (Oversampled) VBI Data Capture • “Sliced” VBI Data Capture Capabilities - Closed Captioning - Widescreen Signalling (WSS) - BT.653 System B, C and D Teletext - North American Broadcast Teletext (NABTS) - World System Teletext (WST) • 2-Line (1H) Comb Filter Y/C Separator • Fast I2C Interface Ordering Information PART NUMBER HMP8117CN HMPVIDEVAL/ISA NOTES: 1. PQFP is also known as QFP and MQFP. 2. Evaluation Board descriptions are in the Applications section. TEMP RANGE (oC) 0 to 70 PACKAGE PACKAGE NO. 80 Ld PQFP Q80.14x20 Evaluation Board: ISA Frame Grabber Applications • Multimedia PCs • Video Conferencing • Video Compression Systems • Video Security Systems • LCD Projectors and Overhead Panels • Related Products - NTSC/PAL Encoders: HMP815x, HMP817x, HMP819x - NTSC/PAL Decoders: HMP8112A, HMP8115 1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. Videolyzer™ is a trademark of Intersil Corporation. Macrovision™ is a trademark of Macrovision Corporation. http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999 Functional Block Diagram SEE ANALOG FRONT END BLOCK DIAGRAM SEE DIGITAL PROCESSING BLOCK DIAGRAM EXTERNAL ANTI-ALIAS FILTER MACROVISION DETECT YOUT YIN VBI DETECTION & DECODING LOGIC 2 ADC YIN[7:0] FINE AGC, DC-RESTORE CONTROL INPUT SAMPLE RATE CONVERTER Y/C SEPARATION AND USER ADJUSTS OUTPUT SAMPLE RATE CONVERTER COARSE AGC DC-RESTORE ADC CIN[7:0] SYNC-TIP, BACKPORCH TIMING MICROPROCESSOR INTERFACE AND CONTROL RESET INTREQ SA SCL SCL CVBS1 CVBS2 COMPOSITE/LUMA CVBS3(Y) INPUT CLAMP, MUX, COARSE AGC, DC-RESTORE P[15:0] HSYNC LCAP OUTPUT VSYNC TIMING BLANK AND DATA FIELD FIFO DVALID VBIVALID HMP8117 CHROMA EXTERNAL ANTI-ALIAS FILTER C CCAP Analog Front End Block Diagram (EXTERNAL) INPUT VIDEO (INTERNAL CLAMP) VAA 1.75V nmos # PIN + GAIN CONTROL SET POINT 13 50µA CHROMA ATTEN (BELOW) 7 6 5 CLAMP CLAMP CLAMP 1.75V REF MUX SELECT LCAP STORAGE CAP CHROMA INPUT 2.5V C_IN 75 1.0µF EXTERNAL ANTI-ALIAS FILTER C 19 13-STEP VARIABLE ATTENUATOR 2.0V A/D_TEST 2X 17 BUF 10-BIT 10 ADC 1.0µF 75 - TO MUX 4 TO 13 DECODER 4 11 BACKPORCH ENABLE LOW-PASS FILTER (REMOVE Fsc) GAIN CORRECTION LOGIC VID1 1.0µF 1.0µF 1.0µF 75 CVBS1 CVBS2 CVBS3(Y) CHROMA MULT. (BELOW) YOUT 2X 9 YIN 8 FINE ADJUST MULT. FACTOR 2.5V 8-BIT TRUNCATE 3 VID2 Y_IN 75 75 M U X 13-STEP VARIABLE ATTENUATOR 1.75V EXTERNAL ANTI-ALIAS FILTER BUF 10-BIT 10 ADC 1.5V DIGITAL ANTIALIAS FILTER DISABLE Y[7:0] CORRECTION MULTIPLIER CHARGE PUMP 100µA DISCHARGE CHARGE 100µA SYNC-TIP ENABLE 76 (OFFSET LUMA SIGNAL TO LOWER ADC REF ~= 1.5V) 0.1µF CHROMA ATTEN LUMA DC-RESTORE LOGIC CHROMA MULT. 8-BIT TRUNCATE DIGITAL ANTIALIAS FILTER DISABLE HMP8117 C[7:0] (SIGNAL BIAS ~ 2.0V) CORRECTION MULTIPLIER 1.5V CHARGE PUMP 100µA CCAP STORAGE CAP 0.1µF DISCHARGE 29 (OFFSET CHROMA SIGNAL TO ADC MID-SCALE ~= 2.0V) 100µA SYNC-TIP ENABLE # DECODER PIN # CHARGE CHROMA DC-RESTORE LOGIC POWERDOWN PIN # 5 6 9 7 8 19 17 NOMINAL (NTSC) OPERATING CONDITION CVBSX. SIZE = INPUT. SYNC TIP CLAMPED AT ~= 1.75 VDC. YOUT /YIN . SIZE = ~1.0 VP-P, SYNC TIP OFFSET ~= 1.5 VDC. C. SIZE = INPUT SIZE. PORCH OFFSET ~= 2.0 VDC. A/D_TEST. SIZE ~= F(LUMA AGC), PORCH OFFSET ~= 2.0VDC. PIN # NOMINAL (NTSC) OPERATING CONDITION 76 29 28 78 LCAP. DC-SIGNAL OFFSET ~= 2.4 VDC. CCAP. DC-SIGNAL OFFSET ~= 2.4 VDC. RSET. DC-SIGNAL OFFSET ~= 1.2 VDC. REF_CAP. DC-SIGNAL OFFSET ~= 2.5 VDC. BIAS/ INTERNAL REFERENCE 28 78 RSET 12.1K REF_CAP 1.0µF Digital Processing Block Diagram CLK2 FREQ SELECT (24.54, 27.0 or 29.5MHz) HUE ADJUST LOCK STATUS 4 VSYNC DETECT FIEL.


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