Set-top Box Solutions
Satellite
The ARM920 CPU in the CX2416x provides up to 250 Dhrystone
2.1 MIPS and enables broadcasters to adopt complex, feature-
rich middleware platforms, such as OpenTV
®
, multimedia home
platform (MHP), and MediaHighway . The advanced CPU platform
™
advanced Security features
The CX2416x incorporates advanced security technologies that
greatly enhances the ability of broadcasters to protect their service
against piracy. Using an advanced on-chip one-time-programmable
(OTP) memory technology, Conexant offers broadcasters the ability
to personalize individual STBs via the system IC with unique serial
numbers and encryption keys. This allows broadcasters to secure
transactions between the STB Smart Cards and the MPEG-2
decoders. The CX2416x also includes embedded cryptographic
technology to allow secure authentication of the STB system
software that is loaded into flash memory.
full-featured Development Platform
allows STB manufacturers to offer improvements such as faster
interactive applications loading, electronic program guide (EPG)
scrolling performance, and scalability to Linux
®
-based software
platforms via memory management unit (MMU) hardware
support. A telco return channel can be supported via data access
arrangement (DAA) interface to a V.22-V.92 hardware or software
modem, or via PCI interface to a digital subscriber line (DSL),
Ethernet, or wireless broadband modem.
16/32
LNB
LNB
CX24128
8PSK/QPSK
Dual-tuner
CX24130
DVB-S
Dual-demod
DDR
Flash
NVRAM
LNB
LNB
CX24128
8PSK/QPSK
Dual-tuner
CX24130
DVB-S
Dual-demod
IR Detect
S-video
YPrPb
CVBS
Smart
Card
Ch. 3/4 RF Out
(MTS Stereo)
TDA8024
Stereo DAC
L/R Phono
Front
Panel
CX2416x
Dual
MPEG2
Decoder
S/PDIF
UHF
CVBS
RJ11
CX20493
Si-DAA [V.92]
Stereo DAC
L/R Phono
}
}
CX20552
USB 2 Phy.
USB
Hard Disk
SATA
CX20552
USB 2 Phy.
USB
CX2416x System Diagram
CONEXANT [ CONEXANT SYSTEMS, INC ]
