imaging solutions interactive display appliances CX92745 interactive display, media, and image processor conexants CX92745 system-on-chip (soc) is an integrated display, media, and image processor delivering a new level of performance and system integration. the soc builds on conexants strengths in image and mixed-signal processing, and integrates high performance 1080p video and graphics processing hardware. to support robust system design and lower bill of material (bom) costs, the CX92745 also integrates a stereo class-d amplifier, microphone input, touchscreen controller, and power supply controller. the hardware video subsystem supports 1080p decode and video post processing for popular video codecs, including h.264, and offloads the cpu from video decode tasks. along with video decode, the CX92745 supports a bt.656 compatible video-in port for video capture and docking applications. for advanced gui operations, the CX92745 supports a hardware graphics processing unit (gpu). this gpu includes a display list processor along with alpha blend and clipping units to support complex, independent ui operations. the CX92745 features a flexible, programmable lcd interface, hardware jpeg codec, and conexants advanced image processing pipeline. the CX92745 display sub- system further integrates an lvds transmitter complete multimedia solution on a single chip and high-speed triple video dacs to support a wide range of display applications. network connectivity including bluetooth ? , 3g, wifi ? , and integrated ethernet is supported. the integrated camera card controller supports all popular memory cards, and an advanced nand flash controller supports nand boot and extended mlc-nand ecc control. a high-performance arm risc processor supports robust embedded operating system and application design. high-speed usb 2.0 host and device ports support pc and peripheral connection. enhanced multimedia and graphics processing is further supported with the CX92745s arm vector floating point unit (vfp), large internal caches, and high speed ddr2 memory. the CX92745 contains several features which lower cost and operating power while providing unsurpassed image processing and flexibility. conexants industry-standard development environment enables manufacturers to quickly design cost-effective interactive display products. the soc is packaged in an environmentally- friendly, rohs/green-compliant 400-pin fine- pitch ball grid array (fpbga). part number CX92745 description interactive display, media, and image processor arm microprocessor with vector floating point unit, mmu hardware 1080p mpeg2 / mpeg4 / h.263 / h.264 video decoder & bt.656 video-in port hardware graphics processor with display list processor and alpha blend unit flexible high-performance image processing pipeline and jpeg codec hardware touchscreen controller for advanced capacitive touchscreens advanced mlc nand flash controller with robust ecc and nand boot capability integrated class-d stereo dac, stereo microphone, and on-chip power supply controller flexible lcd controller with integrated video dacs, lvds transmitter easily handles complex computational, geometry, and system tasks hardware acceleration to speed up decoding/displaying common video formats and profles supports advanced independent ui operations and display effects quickly provides superior photo rendering and multimedia processing low cost touchscreen implementation with proven drivers provides extended internal memory storage system bom savings directly interfaces to analog and digital lcds, lvds lcds, analog monitors, and hdmi controllers key features benefts applications ? connected digital frames ? interactive kiosks ? home automation/security ? digital signage ? interactive tv appliance ? home web terminals
? 2010 conexant systems, inc. all rights reserved. conexant and the conexant logo are registered trademarks of conexant systems, inc. all other trademarks are owned by their respective owners. although conexant strives for accuracy in all its publications, this material may contain errors or omissions and is subject to change without notice. this ma terial is p rovided a s is a nd without an y express or implied warranties , including mer chant abilit y, fitness f or a p ar ticular purpos e and non-infringement . conexant shall not be liable for any special, indirect, incidental or consequential damages as a result of its use. 10-2919 imaging solutions interactive display appliances www.conexant.com general information: u.s. and canada: (888) 855-4562 international: 1+ (949) 483-3000 headquarters 4000 macarthur blvd. newport beach, ca 92660 doc# pbr--202541 conexant product portfolio conexants comprehensive product portfolio includes solutions for imaging, audio, video surveillance, and embedded modem applications. CX92745 features processor ? arm risc microprocessor and memory management unit (mmu) ? arm vector floating point unit and java byte- code acceleration ? 600mhz ddr2 memory subsystem - up to 1gb support external memory support ? ddr2 memory subsystem - up to 1gb support ? serial flash ? mlc nand flash controller / nand boot / extended ecc ? sd card / sdio expansion port ? embedded memory card controller (cf, xd, ms, ms-pro, sd/sdhc, mmc) connectivity/interfaces ? integrated ethernet mac ? usb 2.0 high-speed device and usb hosts (2) ? additional high-speed and expansion ports for peripheral integration ? spi, i 2 c, ssp (synchronous serial port), supporting sdcard, and sdio ? spi / uart modem interface to conexant modem solutions video and image processor ? hardware 1080p mpeg2 / h.263 / mpeg4 / h.264 decoder, including up to advanced profile mpeg4, and main profile h.264 ? hardware video post processor with scaling, rotation, color operations ? hardware jpeg codec, unlimited jpeg size support ? programmable, pipelined image processor - color space/image filter/error diffusion - adjustable color tables, tonal response curve (trc), filters to enable unique display features graphics processing unit (gpu) ? programmable display list processor ? linear to x,y memory addressing ? multi-operand blt, line engine with transparency and blending ? alpha blending and region clipping ? two-operand bitblt, line, stipple, fill operations with transparency display support ? tft lcd (digital rgb) up to 24bits / pixel ? hardware overlay support ? high-speed triple 8-bit video dacs and analog tcon CX92745 block diagram ? integrated lvds transmitter ? integrated capacitive touchscreen controller ? gpio support for buttons, leds, sensors, etc. audio and power supply controllers ? 1.2w stereo class-d amplifier with eq, noise reduction, stereo microphone input, line-out ? on-chip power supply controller, including buck and boost regulators, and lcd vgh / vgl generation ? i 2 s interface for audio codec expansion timers ? real-time clock with battery backup a/d and pwm control ? multi-channel 10-bit a/d ? pulse width modulators (pwms) with firmware control package ? 400-pin fpbga package - rohs/green compliant development environment ? linux bsp development environment ? jtag in-circuit emulator ? conexant evk and reference designs hardware image processing accelators parallel jpeg decode/ encode zoom and arbitary scale color space conversion high speed hardware jpeg codec ssp (sdio) port ethernet mac computer usb drive (ptp, msc devices, usb expansion lcd display usb 2.0 host i/f (2) color hd-lcd controller ethernet physical layer usb 2.0 high speed/ full speed i/f arm9 mmu, vpu wifi, sdio, storage options direct resistive and capacitive touch control touchscreen controller stereo audio audio co-processor class-d amp, dac, mic-in, eq, nr microphone in display processor analog tcon lvds/ dvi-a comp. rgb h/w overlay led b/l v usb 802.11n bluetooth ? gsm, radio arm cpu 16kb/ 32kb cache vector floating point unit hardware 1080p video engine and video post processor graphics processing unit 200m pixel alpha blend gpio / adc power supply controller dc-dc, lcd spi bus memory cards usarts (3) conexant modem cx93510 jpeg encoder with bt.656 camera interface serial flash/ rom ddr2 nand flash controller bt.656 camera i/f mlc nand/ boot cmos sensor video-in conexant modem bluetooth user interface panel ir remote rotation/ light sensor touchscreen memory card controller (cf, sm, ms, xd, sd/ mmc) memory controller
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