ch7021a Chrontel, ch7021a Datasheet
ch7021a
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ch7021a Summary of contents
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... Rev. 1.0, 3/21/2005 General Description The CH7021A is a Display Controller device which accepts a digital graphics input signal, and encodes and transmits data through analog SDTV ports (analog composite, s-video, RGB or YPrPb analog HDTV port (YPrPb). The device is able to encode the video signals and generate synchronization ...
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... SDVO_B(+,-) Serial to Parallel 2 PLL Control 3 NTSC/PAL/ SECAM Encoder Scaling Scan Conv Flicker Filt HDTV Encoder RGB, Bypass Figure 1: Functional Block Diagram 209-0000-032 CH7021A Serial AS Port SPC Control SPD RESET* SC_DDC SD_DDC SC_PROM SD_PROM CVBS, S-Video, RGB, YPbPr CVBS DAC DAC 2 ...
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... SC_DDC 4 SD_PROM 5 SC_PROM 6 DVDD 7 RESET DGND 10 DGND 11 SPD 12 SPC 13 DVDD 14 BSCAN VDAC2 209-0000-032 Rev. 1.0, 3/21/2005 Chrontel CH7021 Figure 2: 64-Pin LQFP Package CH7021A 48 DL3 47 DL2 46 DL1 45 AGND_TVPLL2 44 TVCLK- 43 TVCLK+ 42 AVDD_TVPLL2 41 AVDD_TVPLL1 XI/FIN 38 AGND_TVPLL1 37 DGND 36 VSYNC 35 DVDD 34 CHSYNC 33 V5V 3 ...
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... DAC Output B Video Digital-to-Analog outputs. Refer to section Error! Reference source not found. for information regarding supports for Composite Video, S-Video, SCART, YPrPb and RGB Bypass outputs. Each output is capable of driving a 75-ohm doubly terminated load. 209-0000-032 CH7021A ◊ Rev. 1.0, 3/21/2005 ...
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... Differential Clock Input associated with SDVO Data channel (SDVO_R+/-, SDVO_G+/-, SDVO_B+/-) The range of this clock pair is 100~200MHz. For specified pixel rates in specified modes this clock pair will run at an integer multiple of the pixel rate. Refer to section Error! Reference source not found. for details. CH7021A 5 ...
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... AGND_TVPLL2 TV PLL2 Ground 52,58,64 Power AVDD 49,55,61 Power AGND 33 Power V5V 6 Description Digital Supply Voltage (2.5V) Digital Ground DAC Supply Voltage (3.3V) DAC Ground DAC Supply Voltage (3.3V) DAC Ground DAC Supply Voltage (3.3V) DAC Ground (2.5V) (2.5V) Analog Supply Voltage (2.5V) Analog Ground D-Connector Supply Voltage (5V) 209-0000-032 CH7021A Rev. 1.0, 3/21/2005 ...
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... Dimension B: Top Package body size may be smaller than bottom package size by as much as 0.15 mm. 3. Dimension B does not include allowable mold protrusions up to 0.25 mm per side. 209-0000-032 Rev. 1.0, 3/21/2005 .008" SYMBOL 0.17 1.35 0.05 0.50 1.00 0.27 1.45 0.15 CH7021A BOTTOM VIEW K K EXPOSED PAD 0.45 0.09 0° 5.85 0.75 0.20 7° ...
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... Lead Free LQFP with 64 exposed pad Lead Free LQFP with exposed pad in Tape & 64 Reel Chrontel 2210 O’Toole Avenue, Suite 100, San Jose, CA 95131-1326 Tel: (408) 383-9328 Fax: (408) 383-9338 www.chrontel.com E-mail: sales@chrontel.com CH7021A Voltage Supply 2.5V & 3.3V 2.5V & 3.3V 2.5V & 3.3V 2.5V & 3.3V 209-0000-032 Rev. 1.0, 3/21/2005 ...