CONEXANT CX2417X

Set-top Box Solutions
Satellite
Digital Broadcast High-Definition
TV Decoder with PVR Support
CX2417x
Conexant’s portfolio includes a comprehensive suite of semiconductor solutions
for broadband communications and the digital home. Conexant’s CX2417x
High-Definition TV (HDTV) decoder features all the major elements required
to implement the core system and decoder electronics of a high-performance
personal video recorder (PVR)-enabled HDTV STB deployed in digital satellite,
cable, or terrestrial TV networks.
The CX2417x family features an MPEG-2 [email protected] video decoder, 32-bit RISC
CPU, high-definition and standard definition video/graphics display controllers.
The multi-format audio decoder supports MPEG-1, MPEG-2, Dolby® Digital,
MPEG-4 AAC, and aacPlus™.
PVR functionality is supported by three dual-stream transport processors
(up to six baseband TS interfaces), fully integrated serial and parallel advanced
technology attachment (ATA) interfaces for hard disk drive (HDD) connectivity,
and 3DES/AES ciphering engines for encryption of data to the HDD. This
functionality enables end users to simultaneously watch and record separate
Distinguishing Features
programs, or record a program while watching one previously recorded. NDS
• DVB/DIRECTV® compliant back-end HDTV decoder for worldwide markets
XTV /RASP technology is also supported in the hardware.
™
™
• XTV PVR with serial ATA interface
The CX2417x also features an impressive array of I/O features, including
dual USB 2.0 host controller, PCI bus, and HomePlug® connectivity via a
• Primary HDTV display with simultaneous
down-converted NTSC/PAL SDTV output
high-speed UART.
• High-performance 32-bit 250 MIPS ARM920 CPU with Linux and Windows® CE-compatible MMU
For a complete HDTV hardware design, the only additional components
• Glueless interface to MPEG-4 (AVC/H.264)
co-processor
required are a tuner, demodulator, modem codec, audio DACs, double data
rate (DDR)-synchronous dynamic random access memory (SDRAM), and
flash memory ICs. This high level of integration enables a low-cost system
bill of materials and allows the flexibility of supporting different modulation
and compression technologies with a low cost, highly featured MPEG
solution. The CX2417x decoders can be used in conjunction with Conexant’s
CX24118 satellite tuner and advanced modulation demodulators such as the
CX24116 DVB-S2 demodulator or the CX24114 8PSK demodulator, providing
a cost-effective STB semiconductor system solution for MPEG-2 and MPEG-4
advanced video coding (AVC/H.264) HDTV broadcast receivers.
• Multi-format audio decoder supports MPEG-2,
Dolby Digital Plus, MPEG-4 AAC, and aacPlus
•
Advanced security features including secure boot software authentication, IC personalization via OTP memory, and 3DES/AES ciphering engines
• HDMI transmitter with high-bandwidth digital content protection (HDCP) support
• High performance de-interlacer with 480i or 1080i to 480p/720p conversion
Part Number CX2417x
Description
Digital Broadcast High Definition TV Decoder with PVR Support
Set-top Box Solutions
Satellite
The ARM926 CPU in the CX2417x provides up to 250 Dhrystone
Advanced Security Features
2.1 MIPS and enables complex, feature-rich middleware platforms,
The CX2417x incorporates an advanced security technologies
such as OpenTV® and MediaHighway™ to be adopted by
that greatly enhances the ability of broadcasters to protect
broadcasters. The advanced CPU platform delivers performance
their service against piracy. Using an advanced on-chip one-
that can be deployed by STB manufacturers in a variety of
time-programmable (OTP) memory technology, Conexant offers
ways, including improved interactive application loading and
broadcasters the ability to personalize individual STBs via the
EPG scrolling performance, hardware feature differentiation
system IC with unique serial numbers and encryption keys.
via multimedia host signal processing and scalability to Linux®-
This allows the broadcaster to secure transactions between
based software platforms via memory management unit (MMU)
the STB Smart Card and the System IC. The CX2417x also
hardware support. A telco return channel can be supported
includes embedded cryptographic technology to allow secure
via a direct access arrangement (DAA) interface to a V.22-V.92
authentication of the STB system software that is loaded into
hardware or software modem, or via PCI interface to a DSL,
the flash memory.
Ethernet or wireless broadband modem.
HDMI
CVBS
YPrPb
Ch 3 / Ch 4
S/PDIF
DBS Demods
CX24123
CX24130
CX24114
CX24116
DBS Tuners
CX24109
CX24118
CX24128
Audio DAC
Optional MPEG-4
Support
DDR
DDR
Flash
RJ-11
L
R
BTSC Encoder
CX24182
Benbrook
CX24182
Benbrook
Primary
HD
Display
(TV1)
Agile
Modular
CX2417x
MPEG-2
HDTV
Decoder
Audio DAC
Second
SD TV1
Display,
e.g.
Kitchen
Agile
Modular
Audio DAC
L
R
CX90011
Homepug 1.0
CX20493
Si-DAA
CX20552
USB2
PHY
CX20552
USB2
PHY
DDR
EEPROM
UHF RCU Detect
UHF RCU Detect
IR Detect
IR Blaster
Smartcard
Buttons/LED
CX2417x System Diagram
TV2
The CX2417x includes integrated security keys for NagraVision®
The company’s broad portfolio of semiconductor products also
(Level H6), NDS (NDS SB-T004), and Conax advanced security
includes client-side DSL and cable modem solutions, home
IC serialization, and supports advanced security requirements
network processors, broadcast video encoders and decoders,
for DIRECTV and EchoStar® satellite networks.
digital STB components and systems solutions, and dial-up
Full-Featured Development Platform
chipsets, software, and reference designs, Conexant offers
The CX2417x IC family is integrated into a fully engineered
a suite of networking components that includes solutions for
interactive TV STB reference development system that
applications based on HomePlug® and HomePNA™. Additional
modems. In addition to its IEEE 802.11a/b/g-compliant WLAN
implements third-party interactive middleware/real-time operating
products include a complete line of asymmetric and symmetric
system (RTOS) platforms and provides a complete set of STB
DSL central office solutions, which are used by service providers
low-level drivers based on Nucleus+ OS. A mature and robust
worldwide to deliver broadband data, voice, and video over
hardware abstraction layer is assured by re-use of core driver
copper telephone lines.
libraries developed over three generations of production MPEG
ICs. The STB development platform hardware is designed with
a flexible architecture that supports multiple front end tuner/
demodulator daughter boards.
Common Platform for Satellite, Cable, and Terrestrial
STB manufacturers increasingly look to leverage a common
hardware platform that can be reused over various broadband
networks, including satellite, cable, terrestrial, DSL, and Ethernet
IP networks. Conexant’s CX2417x ICs can serve as a common
back-end platform that easily interfaces to a variety of broadband
front ends, including QPSK, 8-PSK, DVB-S2, QAM, OFDM, 8-VSB,
ADSL/VDSL, 802.3, 802.11a/b/g, or IEEE 1394 through either
transport stream or PCI interface. This provides a flexible STB
solution that can be targeted to a variety of broadband operators
while minimizing hardware/software development costs. The
CX2417x is also fully compatible with a MPEG-4 (AVC/H.264)
compliant co-processor to provide bandwidth-efficient, advancedcompression bitstream decoding.
The CX2417x includes optional license-based features optional as designated by the dash numbers.
Table 2 - CX2417x Dash Number Options
CX24170/1/2/3-mnz
Dash Number:
-0nz
Macrovision
Dolby Digital
-1nz
-2nz
4
-4nz
4
4
HDCP/HDMI
m = optional feature combinations (0 thru 7)
n = die revision (e.g. n=1 for die rev A, 2 for die rev B etc.)
z = security configuration (A thru Z)
-3nz
-5nz
-6nz
4
4
4
4
-7nz
4
4
4
4
4
Set-top Box Solutions
Satellite
CX2417x Product Features
• High-performance 32-bit 295 MIPS ARM920 CPU with
Linux/Windows CE compatible MMU
• 333MHz 32-bit DDR unified memory controller
• HDTV and SDTV encoders with seven 10-bit video DACs
• Macrovision® 7.x copy protection
• Glueless interface to MPEG-4 (AVC/H.264) co-processor
• MPEG-2 DIRECTV transport stream demultiplexing
• Three multi-standard dual stream transport processors
with DES, AES and Multi-II descrambling
• Transport stream I/O controller supports up to six baseband TS interfaces
• MPEG-2 [email protected] video decoder
• Advanced security features including secure boot SW authentication, IC personalization via OTP memory, and 3DES/AES ciphering engines
• Integrated DIRECTV security
• HDMI transmitter with HDCP support
• NDS Videoguard® conditional access hardware support
• Multi-plane video/graphics display controller
• Primary display supports HD 1080i and 720p picture output
with six-plane compositing
• Secondary display supports 720x576 picture output with
six-plane compositing
• Dual USB2.0 host controllers
• NDS XTV and RASP PVR support
• Parallel and serial ATA interfaces for HDD attachment
• Three Smart Card ports
• Supports constrained HDTV image output on YPrPb
• 32-bit 33 MHz PCI controller
• Supports video plane re-sizing for format conversion, picture-in-picture, or picture-in-graphics
• CCIR656 YCrCb digital video input and output ports
• High-performance de-interlacing supports 480i to 480p/720p and 1080i to 480p/720p conversions
• SmartDAA® interface to V.92 software modem
• Multi-format audio decoder supports MPEG-1, MPEG-2, Dolby Digital, Dolby Digital Plus, MPEG-4 AAC, and aacPlus
• DVB-common interface (CI) support
• Two-channel Pro
via I2S
Logic®
encoded Dolby Digital output
• Multiple I2S, SPI, GPIO, UARTs
• OpenCable CableCARD™ interface
• 2 ultra-high frequency (UHF) remote inputs
• Infrared (IR) input/output
• Advanced 2D graphics rendering engine for alphablt, bitblt, textblt, line draw, and color expansion acceleration
© 2005, 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 material is provided AS IS and without
any express or implied warranties, including merchantability, fitness for a
particular purpose and non-infringement.
Conexant shall not be liable for any
special, indirect, incidental or consequential damages as a result of its use.
05-1814
www.conexant.com
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Headquarters
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Order# 102488B