Imaging Solutions
Interactive Display Appliances
CX92745 Interactive Display, Media, and Image
Processor
Complete Multimedia Solution on a Single Chip
Conexant’s CX92745 System-on-Chip (SoC) and high-speed triple video DACs to support a
is an integrated display, media, and image wide range of display applications.
processor delivering a new level of performance
®
Network connectivity including Bluetooth , 3G,
and system integration. The SoC builds on
®
WiFi , and integrated Ethernet is supported.
Conexant’s strengths in image and mixed-signal
The integrated camera card controller supports
processing, and integrates high performance
all popular memory cards, and an advanced
1080p video and graphics processing hardware.
NAND Flash Controller supports NAND boot
To support robust system design and lower
and extended MLC-NAND ECC control.
Bill of Material (BOM) costs, the CX92745
also integrates a stereo Class-D amplifier,
microphone input, touchscreen controller, and
power supply controller.
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 CX92745’s ARM Vector Floating Point
Unit (VFP), large internal caches, and high
speed DDR2 memory.
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.
The CX92745 contains several features which
lower cost and operating power while providing
unsurpassed image processing and flexibility.
Conexant’s industry-standard development
environment enables manufacturers to quickly
design cost-effective interactive display
products.
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 Conexant’s advanced Image
Processing pipeline. The CX92745 display sub-
system further integrates an LVDS transmitter
The SoC is packaged in an environmentally-
friendly, RoHS/Green-compliant 400-pin fine-
pitch ball grid array (fpBGA).
Applications
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Connected Digital Frames
Interactive Kiosks
Key Features
ARM microprocessor with Vector Floating
Point Unit, MMU
Benefits
Easily handles complex computational,
geometry, and system tasks
Home Automation/Security
Digital Signage
Hardware 1080p MPEG2 / MPEG4 / H.263 /
H.264 Video Decoder & BT.656 Video-in
Port
Hardware acceleration to speed up
decoding/displaying common video formats
and profiles
Interactive TV Appliance
Home Web Terminals
Hardware graphics processor with Display
List Processor and Alpha Blend Unit
Supports advanced independent UI
operations and display effects
Flexible high-performance image processing
pipeline and JPEG codec
Quickly provides superior photo rendering
and multimedia processing
Hardware touchscreen controller for
advanced capacitive touchscreens
Low cost touchscreen implementation with
proven drivers
Advanced MLC NAND Flash Controller with
robust ECC and NAND boot capability
Provides extended internal memory storage
Integrated Class-D stereo DAC, stereo
microphone, and on-chip Power Supply
Controller
System BOM savings
Part Number CX92745
Description Interactive Display, Media,
Flexible LCD Controller with integrated
video DACs, LVDS transmitter
Directly interfaces to analog and digital
LCD’s, LVDS LCD’s, analog monitors, and
HDMI controllers
and Image Processor
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