1/13 www.rohm.com 2009.05 - rev.a ? 2009 rohm co., ltd. all rights reserved. digital video encorders video bus interface BU9969KN description BU9969KN is a digital video encoder ic for ntsc/pal (itu-r bt.601,itu-r bt.656). it allows captured images (e.g. downloaded or on mobile phones) to be viewed on a tv monitor. in addition, a digital filter is built in for high image quality, and both multifunction an d simple types are available for greater compatibility. features ? video format ? ntsc-m ? pal-b/d/g/h/i ? bus interface ? 656 input mode ycbcr 8 bit ( included in eav, sav ) ? 601 input mode ycbcr 16 bit or rgb 16 bit ( with hsync, vsync input ) ? input data format ? ycbcr 4:2:2 (656 mode or 601 mode) ? rgb r: 5bit, g: 6bit, b: 5bit (601 mode) ? input range ? ycbcr: 1) y: 16-235, cbcr: 16-240 scale_m * = 1 2) ycbcr : 1 -254 scale_m * = 0 (601 mode) *scale_m is 1 st bit of sub-address x04. ? rgb: r, b: 0 - 31, g: 0 - 63 ? ntsc/pal standard video output support ? trap filter built in ? x4 system clock over sampling function built in ? 10-bit video dac built in ? pll built in ? 2-wire serial interface ? 2 supply voltage operation: (dvdd = pvdd = 1.8v : typ, iovdd = avdd = 3.0v : typ) ? package: vqfn36 application cell phone no.09067eat02
technical note 2/13 www.rohm.com 2009.05 - rev.a ? 2009 rohm co., ltd. all rights reserved. BU9969KN absolute maximum ratings table.1 absolute maximum ratings item symbol rating unit [1.8v power source system] digital core power source voltage pll power source voltage dvdd pvdd -0.2 to 2.5 v [3.0v power source system] digital i/o power source voltage dac power source voltage iovdd avdd -0.2 to 4.5 v power dissipation1 pd1 450 (note.1) mw power dissipation2 pd2 700 (note.2) mw storage temperature range tstg -25 to 125 note 1 : when not mounted on any board at ta = 25. note 2 : when mounted on 50mm*58mm*1.6mm glass epoxy board. in the case to use at ta = 25 ? c or higher, 11.3 mw should be decreased per 1 ? c. this value is an actually measured value, and not a guaranteed value. recommended operation range table.2 recommended operation range item symbol range unit [1.8v power source system] digital core power source voltage pll power source voltage dvdd pvdd 1.80 0.1 v [3.0v power source system] digital i/o power source voltage* dac power source voltage iovdd avdd 3.00 0.3 v operation temperature range topr -20 to 70 *connect the pull-up resistance of the serial interface to the digital i/o power source voltage. *supply the power source voltage to all power so urce pins withi n 100 sec. this procedure is same, when st opping to supply the power sour ce.
technical note 3/13 www.rohm.com 2009.05 - rev.a ? 2009 rohm co., ltd. all rights reserved. BU9969KN recommended operating conditions table.3 recommended op erating conditions (unless otherwise specified ta=25 ? c, dvdd=pvdd=1.8v, iovdd=avdd=3.0v, gnd=0v) item symbol min typ max unit condition sysclk frequency 1 fsysclk1 - 27 - mhz 656 input mode sysclk frequency 2 fsysclk2 - 13.5 - mhz 601 input mode sysclk frequency deviation 1 dfsysclk1 -100 - 100 ppm 27mhz at 656 input mode sysclk frequency deviation 2 dfsysclk2 -100 - 100 ppm 13.5mhz at 601 input mode sysclk rise time t2r - - 5 ns *1 sysclk fall time t2f - - 5 ns *1 sysclk duty dutysclk 45 - 55 % *1 sclk frequency f sclk - - 400 khz sclk rise time t1sr - - 300 ns *1 sclk fall time t1sf - - 300 ns *1 sdi rise time t1dr - - 300 ns *1 sdi fall time t1df - - 300 ns *1 sclk l pulse width t1wl 1.3 - - s *1 sclk h pulse width t1wh 0.6 - - s *1 *1 refer to fig.5 the serial interface-timing chart on page 9. electric characteristics 1 table 4.1 electric characteristics 1 (unless otherwise specified ta=25 ? c, dvdd=pvdd=1.8v, iovdd=avdd=3.0v, gnd=0v) item symbol min typ max unit condition data setup time t2sd 5 - - ns *1 data hold time t2hd 8 - - ns *1 hs, vs setup time t2sc 5 - - ns *1 hs, vs hold time t2hc 8 - - ns *1 data hold time 1 0 - 0.9 s *2 data setup time t1s 100 - - ns *2 hold time (start) t1hsta 0.6 - - s *2 setup time (stop) t1ssto 0.6 - - s *2 setup time (start) t1ssta 0.6 - - s *2 bus free time between "stop" condition and "start" condition tbuf 1.3 - - s *2 *1 refer to fig.3., the image data and synchronous signal-timin g chart on page 8. *2 refer to fig.5., the serial interface timing chart on page 9 .
technical note 4/13 www.rohm.com 2009.05 - rev.a ? 2009 rohm co., ltd. all rights reserved. BU9969KN electric characteristics 2 table 4.2 electric characteristics 2 (unless otherwise specified ta=25 ? c, dvdd=pvdd=1.8v, iovdd=avdd=3.0v, gnd=0v) item symbol min typ max unit condition |
