CX24170 CONEXANT [Conexant Systems, Inc], CX24170 Datasheet - Page 2

• Manufacturer Part Number: CX24170
• Description: Digital Broadcast High-Definition TV Decoder with PVR Support
• Manufacturer: CONEXANT [Conexant Systems, Inc]

The ARM926 CPU in the CX2417x provides up to 250 Dhrystone
2.1 MIPS and enables complex, feature-rich middleware platforms,
such as OpenTV
that can be deployed by STB manufacturers in a variety of
ways, including improved interactive application loading and
EPG scrolling performance, hardware feature differentiation
via multimedia host signal processing and scalability to Linux
via a direct access arrangement (DAA) interface to a V.22-V.92
Ethernet or wireless broadband modem.
broadcasters. The advanced CPU platform delivers performance
based software platforms via memory management unit (MMU)
hardware support. A telco return channel can be supported
hardware or software modem, or via PCI interface to a DSL,
Set-top Box Solutions
Satellite
®
Optional MPEG-4
DBS Tuners
and MediaHighway
CX24109
CX24118
CX24128
Support
DDR
DDR
RJ-11
UHF RCU Detect
UHF RCU Detect
Benbrook
Benbrook
IR Blaster
CX24182
CX24182
™
CX20493
EEPROM
IR Detect
Si-DAA
DBS Demods
to be adopted by
Flash
DDR
CX24123
CX24130
CX24114
CX24116
CX2417x System Diagram
®
-
CX2417x
Decoder
MPEG-2
HDTV
The CX2417x incorporates an advanced security technologies
This allows the broadcaster to secure transactions between
advanced Security features
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.
the STB Smart Card and the System IC. The CX2417x also
includes embedded cryptographic technology to allow secure
authentication of the STB system software that is loaded into
the flash memory.
Audio DAC
Audio DAC
Audio DAC
Ch 3 / Ch 4
S/PDIF
YPrPb
HDMI
CVBS
BTSC Encoder
Homepug 1.0
CX20552
USB2
CX90011
PHY
Modular
Modular
CX20552
Agile
Agile
USB2
PHY
Buttons/LED
L
R
L
R
Smartcard
Primary
HD
Display
(TV1)
Second
SD TV1
Display,
e.g.
Kitchen
TV2