Download Databrief

STiH237
HD satellite STB processor with integrated demodulator
and low power standby controller
Data brief
Features
Description
■
ST40 applications CPU with 256 KB L2 cache
■
16-bit LMI supporting DDR2/DDR3
■
Decoding of H264, MPEG2, VC-1 and AVS HD
video streams
■
3DTV decoding and display compatible with
HDMI 1.4a
The STiH237 uses the latest process technology
to provide a cost-effective, feature rich, highly
integrated SoC for set-top boxes (STBs). It is
targeted at the advanced decoding STB market
across satellite networks, and is suitable for
operator markets (with advanced security) and
retail markets worldwide.
■
Extensive connectivity (2 × USB 2.0 ports;
Ethernet MII/RMII/TMII port; SD/MMC card
port; PCI-e)
■
Secure boot from SLC NAND Flash or Serial
NOR Flash; eMMC booting option
■
Low-power process and architecture
■
Integrated low power standby controller
■
High-quality video resizing and de-interlacing
■
Integrated Ethernet PHY
■
Targets two layer PCBs for cost-effective
zapper STB applications
■
Integrates DVB-S/DVB-S2 single stream
demodulation and FEC
JTAG
CPU/FPU
The STiH237 provides a solution for operators
and manufacturers to specify a range of costeffective, high performance zapper STBs, with
content delivery possible using broadcast or
broadband networks, or both (hybrid STBs).
The STiH237 integrates a high performance
satellite receiver supporting DVB compliant
reception, channel demodulation, and forward
error correction (FEC). The single stream
demodulator is compatible with DVB-S2
(QPSK/8PSK), DVB-S (QPSK) and legacy
DirecTVTM transmission standards.
Resets
Clocks
Modes
Analog out
PCM I/O
S/PDIF out
STB peripherals I/O
external interrupts
Clock Gen
System
services
Audio I/O
Peripherals
System
interfaces
SLC NAND Flash
Serial Flash
Dual FDMA
CI-Plus cards
Audio decoder
L2 cache
DDR3 LMI
DDR2/DDR3
STBus
Transport
Security
Video decoder
Display
Video I/O
Dual USB
Low power
standby
controller
PCI-e
Connectivity
DVB-S
DVB-S2
demodulator
Transport streams
Parallel/serial in/out
February 2012
Transport
stream
IF in
Ethernet
SD-MMC/SDIO
Analog video
HDMI
Doc ID 022871 Rev 1
For further information contact your local STMicroelectronics sales office.
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www.st.com
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Introduction
1
STiH237
Introduction
The STiH237 offers current users of ST’s growing family of advanced decoding ICs
enhancements in performance and features, enabling operators to offer consumers new
multimedia-rich services and viewing experiences, including new 3DTV features. Faster
DDR3 memory is also supported, and the applications CPU benefits from an L2 cache. The
STiH237 keeps pace with the latest advanced security requirements of the main CA
vendors, and an integrated standby controller enables the STiH237 to target stringent low
power regulations.
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Features
Benefits
ST40 applications CPU, with 32KI and 32KD L1
caches and 256K L2 cache.
High performance processing for applications and
middleware.
Integrated low power standby controller within its
own power island.
Secure hibernation to, and fast resume from, very
low power passive standby mode, targeting STB
standby power < 0.5 W.
Latest generation of ST's Delta video decoder,
coupled with a High Quality Video Display
Pipeline (HQVDP).
Decoding of advanced high definition standards
(MPEG2, H264, VC-1, AVS) plus the performance
and flexibility for web-based content decoding such
as Flash®, DivX™, MJPEG and Real®, without
impacting applications CPU performance.
Dual USB 2.0 hosts, Ethernet MAC with
MII/RMII/TMII interfaces, PCI-e, SD-MMC/SDIO
interface.
Extensive high speed connectivity for the widest
range of STB peripherals, such as Flash drives,
external HDDs, Ethernet, home network controllers
(such as MoCA®, Wi-Fi), DOCSIS® modem and
memory cards.
NOCS1.0/1.1/1.2/3.0, NSK2.0 and DVB-CSA3
ready.
Fully compliant with the latest advanced security
requirements of CA vendors.
Integrated DVB-S/DVB-S2 demodulation/FEC
Highly integrated STB solution reducing
component count and manufacturing BOM.
Ball compatible with other STiH2xx family
variants.
Single platform versatility across all networks
(satellite, cable, terrestrial, and IP).
Doc ID 022871 Rev 1
STiH237
2
Revision history
Revision history
Table 1.
Document revision history
Date
Revision
28-Feb-2012
1
Changes
Initial release.
Doc ID 022871 Rev 1
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STiH237
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Doc ID 022871 Rev 1
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