Imaging Solutions Interactive Display Appliances CX92755 User Interface and Media Processor Complete Multimedia Solution on a Single Chip Conexant’s 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 Conexant’s 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. 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 Conexant’s advanced Image Processing pipeline. The CX92755 display subsystem further integrates an LVDS transmitter and high-speed triple video DACs to support a wide range of display applications, up to 1080p A high-performance ARM Cortex-A8 processor with NEON SIMD Engine supports robust embedded operating system operation and Network connectivity including Bluetooth®, 3G, advanced algorithm development. High WiFi ®, and integrated Ethernet is supported. performance DDR3 memory supports high- The integrated camera card controller supports bandwidth operations. High-speed USB 2.0 Host all popular memory cards, and an advanced and Device ports support PC and peripheral NAND Flash Controller supports NAND boot and connection. A PCIe root and endpoint controller extended MLC-NAND ECC control. supports additional peripheral expansion and flexibility, as well as multi-chip communication The CX92755 contains several features which lower cost and operating power while providing and control. unsurpassed image processing and flexibility. The hardware video subsystem supports 1080p Conexant’s Linux development environment decode and video post processing for popular enables manufacturers to quickly design costvideo codecs, including H.264, and off-loads the effective interactive display products. The SoC is CPU from video decode tasks. To support full packaged in an environmentally-friendly, RoHS/ duplex video codec operation, a 720p HD Video Green-compliant 441-pin fine-pitch ball grid array Encoder is also supported. Along with video (fpBGA). Applications • Connected Digital Frames Key Features Benefits • Interactive Kiosks ARM Cortex-A8 CPU with L1/L2 cache and NEON SIMD Engine Easily handles complex computational, geometry, and system tasks • Home Automation/Security Hardware 1080p MPEG2 / MPEG4 / H.263 / H.264 Video Decoder, 720p Encoder, and BT.656 Video-in Port Hardware acceleration which supports full duplex encode / decode and popular video formats • Digital Signage Hardware graphics processor with Display List Processor and Alpha Blend Unit Supports advanced UI operation and display effects • Home Web Terminals DDR3 Memory Interface High-Bandwidth Memory Architecture PCIe Root and Endpoint Interface Low cost touchscreen implementation with proven drivers Advanced power management Variable power/temperature controls for power savings Advanced MLC NAND Flash / ECC Controller Flexible memory storage interface Integrated Class-D stereo DAC, stereo microphone, and on-chip Power Supply Controller System BOM savings Programmable LCD Controller with integrated video DACs, LVDS transmitter, up to 1080p Output Support Directly interfaces to analog and digital LCD’s, LVDS LCD’s, analog monitors, and HDMI controllers • Interactive TV Appliance • UI Controller Part Number CX92755 Description User Interface and Media Processor Imaging Solutions Interactive Display Appliances CX92755 Features • 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 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, I2C, 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 UI Controller, WiFi®, Storage Options Ethernet Physical Layer Ethernet MAC Resistive & Capacitive Touch Control Touchscreen Controller LCD Display Color HD-LCD Controller USB Drive PTP , MSC Devices USB Expansion USB 802.11n Bluetooth® GSM, Radio Computer CMOS Sensor Video In Parallel JPEG Encode / Decode Zoom and Arbitrary Scale Color Space Conversion High Speed Hardware JPEG Codec NAND / Serial Flash Controller ARM Cortex-A8 CPU L1 / L2 Cache Vector Floating Point Unit Neon Processor GPIO / ADC USB 2.0 High Speed/ Full Speed I/F Hardware 1080p Video Decoder and Video Post Processor Camera I/F including BT.656 Graphics Processing Unit USART / SPI (3), I2C Power Supply Controller DC-DC, LCD 200M Pixel Alpha Blend Memory Card Controller (CF , SM, HSSD Class -D Amp.,DAC, MIC-in, EQ, NR Speaker / Handset DDR3 Serial Flash Boot ROM MLC NAND / Boot User Interface Hardware 720p Video Encoder and Video Preprocessor USB 2.0 Host Interface (2) Microphone In Memory Controller IrDA Hardware Image Processing Accelerators Audio Co-processor Stereo Audio FIR Transceiver PCIe (RC/EP) Display Processor • GPIO support for buttons, LED’s, 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 • I2S 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 MS, xD, SD/MMC) IR Remote Rotation / Light Sensor Touchscreen Conexant Modem Bluetooth CX93510 JPEG Encoder with BT.656 Camera Interface Memory Cards SmartDAA® CX92755 Block Diagram Conexant Product Portfolio Conexant’s comprehensive product portfolio includes solutions for imaging, audio, video surveillance, and embedded modem applications. © 2010 Conexant Systems, Inc. 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