cv d1 october 1999 zr 4h CVD1 - pb - 2 .0 product brief ntsc/pal decoder intellectual property core features n decodes ntsc, pal or secam video into yuv 4:2:2 n digital video output n accepts up to 10 - bit inputs from adcs for high quality video n decodes all variations of ntsc video n decodes all variations of pal ( i , b, g, h, d, n, m, combination n) n requires only two adcs and two line buffers n adaptive 3 - line comb filter for ntsc & pal n adaptive 5 - line comb filter f or pal (optional) n clock input range from 20 to 30 mhz n time - base correction n control port clock independent from master video clock n quick time - to - market design turnaround n process technology independent design n ccir 601 on square pixel output n interface to vco/pll for continuous clock output n generic r/w port for programming of control registers n automatically detect s and not i fies presence of macrovision signal and decodes in its presence n autodetect of video standard n autodetect and lock vcr trick mode n low power consumption applications n set - top box n pc graphics chips n video editing n desktop video capture n video conferencing and video phones n digital tv description the zoran ntsc/pal/secam video decoder core (CVD1) is an area efficient, high image quality, cost effective solution for digital video system - on - a - chip applications. the CVD1 core decodes ntsc /pal/secam composite or y/c video and converts it into yuv 4:2:2 16 - bit digital video. design considerations fully synchronous area efficient design - less than 90,000 gates technology independ ent. can be synthesized in any 0 .5m. 0.35 m, or 0.25m cmos library deliverables rtl source code pli routines for synopsis vl5 or verilog x l synopsis synthesis scripts bit accurate c model test input files documentation golden simulation result files fpga evaluation board figure 1. CVD1 core variable gain amplifier and dc offset adc register file h pll adaptive 3 tap comb ntsc pal secam demodulator c pll y cr/cb h, v, hblank etc analog front control
cv d1 zoran corporation n 3112 scott blvd. n santa clara, ca 95054 n main (408) 919 - 4111 n fax (408) 919 - 4122 n www.zoran.com figure 2. application as a set top box chip for more information: u.s. headquarters israel operations japan china toronto zoran corporation zoran microelectronics ltd. zoran japan office zoran china office zoran toronto labs 3112 scott blvd advanced technology center 2 - 2 - 8 roppongi, suite 2507 2175 queen st. east santa clara, ca 95054 p.o. box 2495 minato - ku electronics science & tech building suite 302 usa haifa 31024 , israel tokyo 106 - 00 32, japan 2070 central shennan road toronto, ontario tel: +1 (408) 919 - 4111 tel: +972 - 4 - 854 - 5 777 tel: +81 - 03 - 5574 - 7081 shenzhen, guangdong canada fax: +1 (408) 919 - 4122 fax: +972 - 4 - 855 - 1 55 0 fax: +81 - 03 - 5574 - 7156 518031, p.r. china m4e 1e5 tel: +86 - 755 - 378 - 0319 tel: +1 (416) 690 - 3356 fax: +86 - 755 - 378 - 0852 fax: +1 (416) 690 - 3363 analog front end CVD1 core memory controller memory graphics accelerator for osd and web mpeg d ec oder display engine cve2 ntsc/pal video encoder video out to tv analog video in from vcr, tuner etc. mpeg bitstream in from cable, satellite etc.
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