imaging solutions interactive display appliances CX92755 user interface and media processor conexants CX92755 system-on-chip (soc) is an integrated display, media, video, 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 video codec and graphics processing hardware. to support robust system design and lower bill of material (bom) costs, the CX92755 also integrates a stereo class-d amplifier, microphone input, touchscreen controller, and power supply controller. a high-performance arm cortex-a8 processor with neon simd engine supports robust embedded operating system operation and advanced algorithm development. high performance ddr3 memory supports high- bandwidth operations. high-speed usb 2.0 host and device ports support pc and peripheral connection. a pcie root and endpoint controller supports additional peripheral expansion and flexibility, as well as multi-chip communication and control. the hardware video subsystem supports 1080p decode and video post processing for popular video codecs, including h.264, and off-loads the cpu from video decode tasks. to support full duplex video codec operation, a 720p hd video encoder is also supported. along with video complete multimedia solution on a single chip encode and decode, the CX92755 supports a bt.656 compatible video-in port for video capture applications. for advanced gui operations, the CX92755 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 CX92755 features a flexible, programmable lcd interface, hardware jpeg codec, and conexants advanced image processing pipeline. the CX92755 display sub- system further integrates an lvds transmitter and high-speed triple video dacs to support a wide range of display applications, up to 1080p 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. the CX92755 contains several features which lower cost and operating power while providing unsurpassed image processing and flexibility. conexants linux development environment enables manufacturers to quickly design cost- effective interactive display products. the soc is packaged in an environmentally-friendly, rohs/ green-compliant 441-pin fine-pitch ball grid array (fpbga). part number CX92755 description user interface and media processor arm cortex-a8 cpu with l1/l2 cache and neon simd engine hardware 1080p mpeg2 / mpeg4 / h.263 / h.264 video decoder, 720p encoder, and bt.656 video-in port hardware graphics processor with display list processor and alpha blend unit ddr3 memory interface pcie root and endpoint interface advanced power management advanced mlc nand flash / ecc controller integrated class-d stereo dac, stereo microphone, and on-chip power supply controller programmable lcd controller with integrated video dacs, lvds transmitter, up to 1080p output support easily handles complex computational, geometry, and system tasks hardware acceleration which supports full duplex encode / decode and popular video formats supports advanced ui operation and display effects high-bandwidth memory architecture low cost touchscreen implementation with proven drivers variable power/temperature controls for power savings flexible memory storage interface 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 ? ui controller
? 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. arm cortex-a8 cpu l1 / l2 cache vector floating point unit neon processor 10-2958 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-202714 conexant product portfolio conexants comprehensive product portfolio includes solutions for imaging, audio, video surveillance, and embedded modem applications. CX92755 features processor ? arm cortex-a8 processor ? neon simd engine ? l1 / l2 cache external memory support ? ddr3 memory subsystem - up to 1gb support ? serial flash & mlc nand flash controller / nand boot / extended ecc ? embedded memory card controller (cf, xd, ms, ms-pro, sd/sdhc/sdxc, mmc) connectivity/interfaces ? pcie 1.1 root and endpoint controller ? integrated ethernet mac ? usb 2.0 high-speed device and usb hosts (2) ? spi, i 2 c, integrated fir irda and conexant daa modem interfaces video and image processor ? hardware 1080p mpeg2 / h.263 / mpeg4 / h.264 decoder, including up to advanced profile mpeg4, and main profile h.264 ? 720p video encoder, supporting h.264 / mpeg4 / mpeg2 and full duplex encode / decode ? 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 ? advanced video overlay engine with independent overlay buffer ? high-speed triple 8-bit video dacs and analog tcon ? integrated lvds transmitter ? integrated capacitive touchscreen controller CX92755 block diagram ? 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 advanced power management ? programmable power management and voltage scaling 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 ? 441-pin fpbga package - rohs/green compliant development environment ? linux bsp development environment ? jtag in-circuit emulator ? conexant evk and reference designs ? , storage ui controller, wifi options fir transceiver speaker / handset smartdaa ? hardware 1080p video decoder and video post processor memory controller usart / spi (3), i 2 c nand / serial flash controller ddr3 conexant modem bluetooth user interface ir remote rotation / light sensor touchscreen .656 camera cx93510 jpeg encoder with bt interface memory cards mlc nand / boot serial flash boot rom touchscreen controller display processor , eq , nr audio co-processor class - d amp ., dac , mic - in .656 camera i/f including bt ethernet mac color hd-lcd controller usb 2.0 host interface (2) usb 2.0 high speed/ full speed i/f usb 802.11n bluetooth ? gsm , radio computer cmos sensor video in usb drive ptp , msc devices usb expansion stereo audio resistive & capacitive touch control ethernet physical layer lcd display -dc, lcd power supply controller dc gpio / adc hardware image processing accelerators parallel jpeg encode / decode zoom and arbitrary scale color space conversion high speed hardware jpeg codec hardware 720p video encoder and video preprocessor graphics processing unit 200 m pixel alpha blend xd , sd / mmc ) memory card controller ( cf , sm , ms , microphone in pcie (rc/ep) irda hssd
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