ml6440 Micro Electronics Corporation, ml6440 Datasheet
ml6440
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ml6440 Summary of contents
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... The ML6440 contains all the necessary circuitry to provide high quality combed output of luminance and chrominance in the Y/C format. Internal filters with integrated adaption and compensation circuits provide ...
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... ML6440 PIN CONFIGURATION GND V CC RST CLK CI0/DI0 CI1/DI1 CI2/DI2 CI3/DI3 2 ML6440 44-Pin TQFP (H44-14 ...
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... Luminance output 34 Y3 Luminance output 35 Y2 Luminance output 36 Y1 Luminance output 37 Y0 Luminance output (LSB) 38 GND Digital ground pin 39 V Digital supply pin TTL compatible chrominance output (LSB Chrominance output 42 C5 Chrominance output 43 C4 Chrominance output 44 C3 Chrominance output ML6440 3 ...
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... ML6440 ABSOLUTE MAXIMUM RATINGS Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. V ............................................................................. 7V CC Analog & Digital I/O ............. GND – 0. Input Current .......................................................... 20µA ELECTRICAL CHARACTERISTICS Unless otherwise specified ± ...
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... NTSC/CCIR601, Comb Off at –3dB NTSC/Sq. Pixel, Comb Off at –3dB PAL/CCIR601, Comb Off at –3dB PAL /Sq. Pixel, Comb Off at –3dB Spurious Luma Artifact NTSC 13.5MHz PAL 12.27MHz Spurious Subcarrier NTSC Artifact 13.5MHz PAL 12.27MHz NTSC/PAL ML6440 MIN TYP MAX UNITS (Note 3) 2.5 MHz 2.5 MHz 2.5 MHz 2.5 MHz (Note 3) 1.0 MHz 1 ...
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... ML6440 ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER SERIAL BUS LOGIC INPUT Low Level Input Voltage High Level Input Voltage Low Level Input Current High Level Input Current Input Impedance Input Capacitance ( SYSTEM TIMING S Frequency (f ) CLK CLOCK Input Hysteresis (V ) HYS Spike Suppression (t ) SPIKE ...
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... It then calculates and selects the best threshold for artifact reduction at 12-bit resolution. The ML6440 is a comb for NTSC (525 lines) and PAL (625 lines) with the ability to handle CCIR601 and square pixel sampling rates. CCIR601 is the existing standard for digitized video of either NTSC or PAL ...
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... ML6440 PREAMBLE BIT D7 D6 Mode—Function Y Adaption Select Threshold Value Y AT2 = Parallel Mode CI7/DI7 CI6/DI6 Input Pin Table 2. Control Register Format D[7:0] (Serial or Parallel Mode) STANDARD/RATE NTSC (f PAL (f ADAPTION THRESHOLD D[6,5,4] 000 001 010 to 110 111 COMB MODE, D[3, adaptive, C comb 100% active ...
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... Figure 4. Typical Serial Bus Command ML6440 t FALL STOP DATA: Rising edge with S CLK Hi = STOP S DATA: Value set low in prep for STOP S CLK: 18th pulse strobes data shift register ...
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... The serial bus control in the ML6440 has one level of addressing followed by control register programming. Figure 2 shows the physical waveforms generated in order to address the ML6440. There are six basic parts of the waveform: 1. Start indication: Clock Cycle 0 2. Device address shifted in: Clock Cycle 1 thru 8 3 ...
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... Therefore recommended that S/P activity be limited to sync or blanking intervals in the video to avoid unwanted visual artifacts during register programming. Clock Timing Figure 6 depicts digital video input and output timing for valid data. 60% 40% 20ns DATA 15ns 0ns CV DATA Figure 6: Clock Timing ML6440 DATA CV DATA 11 ...
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... Professional video • Line doublers and quadrapulers Figure 9 illustrates the use of the ML6440 in a big screen TV application. In this application, the ML6440 offers automatic self-adjusting thresholds to optimize Y/C separation while minimizing artifacts for a wide variety of live video material without fixed threshold limitations. The ...
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... SERIAL DATA IN (S DATA) SERIAL CLOCK (S CLOCK) 1µ ML6440 6 SmartComb 1µF 5V Figure 7. Typical Application Circuit ML6440 8 D/A FILTER 8 D/A FILTER PIN 16 7.5 5V ALTERNATIVE ...
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... D/A Figure 8. Micro Linear Application Solution HDTV PLL DIGITAL YUV HDTV MPEG DETECTOR DECODER NTSC DETECTOR YUV ML6440 CHROMINANCE SmartComb DEMODULATOR GENLOCK LUMA A/D ML6440 SmartComb C IN CHROMA A/D SERIAL BUS CONTROL S VIDEO ML6421 LUMA Y FILTER C CHROMA FILTER CV FILTER COMPOSITE VIDEO TO MUX ...
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... NTSC and PAL video. These curves were taken from a VM700 using a sweep frequency pattern using a TG2000 on the ML6440EVAL board. Figure 11 shows the NTSC luma filter at CCIR clock rates. This shows significant notch from 3.3MHz to 4MHz sufficient for hanging dot suppression ...
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... ML6440 1.5 1.0 0.5 0 –0 FREQUENCY (MHz) Figure 13. NTSC Luma Notch Filter, Square Pixel 1.5 1.0 0.5 0 –0 FREQUENCY (MHz) Figure 15. PAL Luma Notch Filter, Square Pixel Clock 1.5 1.0 0.5 0 –0 FREQUENCY (MHz) Figure 17. PAL Luma Notch Filter 16 –0 Figure 14. NTSC Chroma Band Pass at Square Pixel – ...
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... FREQUENCY (MHz) Figure 19. NTSC Comb Luma, CCIR Clock Rate 1.5 1.0 0.5 0 –0 Figure 20. NTSC Luma Comb, Square Pixel ML6440 FREQUENCY (MHz) 17 ...
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... BSC) (0.36 - 0.51) ORDERING INFORMATION PART NUMBER ML6440CH (EOL) © Micro Linear 2000. property of their respective owners. Products described herein may be covered by one or more of the following U.S. patents: 4,897,611; 4,964,026; 5,027,116; 5,281,862; 5,283,483; 5,418,502; 5,508,570; 5,510,727; 5,523,940; 5,546,017; 5,559,470; 5,565,761; 5,592,128; 5,594,376; 5,652,479; 5,661,427; 5,663,874; 5,672,959; 5,689,167; 5,714,897; 5,717,798; 5,742,151; 5,747,977; ...