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STI7141 Datasheet, PDF (1/6 Pages) STMicroelectronics – HD decoder for interactive digital cable set-top box
STi7141
HD decoder for interactive digital cable set-top box
Data Brief
Features
■ Three integrated cable receiver / demodulators
■ DOCSIS/EuroDOCSIS 2.0 cable modem with
support for DOCSIS 3.0 down-stream channel-
bonding
■ SCTE-55 part 1 and 2 physical layer support for
CableCARDTM
■ Dual Core architecture providing more than
1600 DMIPS of processing performance
■ Linux®, Windows® CE and OS21 compatible
■ Firmware based multi-standard HD video
decoder for:
– H.264 / MPEG-4 AVC HP@L4
– MPEG-2 MP@HL
– SMPTE VC-1 AP@L3
■ Firmware based multi-standard audio processor
for:
– MPEG-1 I/II/III (MP3), MPEG-2 ACC (AAC-
LC)
– MPEG-4 HE AAC (aacPlus)
– Dolby® Digital (AC-3), Dolby® Digital Plus
■ Firmware based PTI (programmable transport
stream processor)
■ DVR support, and trick play modes
■ Dual display HD and SD
■ 2D blitter graphics with extention to pseudo 3D
and video mosaic support
■ Multi-level layered security
■ Interfaces include: USB, Ethernet, HDMITM,
eSATA.
Description
The STi7141 is a highly integrated SoC (system-
on-chip) designed to meet the demanding needs of
the interactive cable set top box market place. The
STi7141 integrates all the major system functions
into a single device, and provides world leading,
multi-layer, advanced security technologies to
protect valuable video and audio assets.
Protected JTAG
Resets /
Clocks /
Modes
Dual Core
ST40-300
Mailboxes
64K SRAM
Clock Gen
and
System
Services
3x
FDMA
DDR2
SDRAM
16
LMI
8-ch S/PDIF
PCM Out Out
Serial ATA
2-ch Analog
HDD, int/ext
PCM In Audio
Digital
Video In
Audio
DACs
Audio Decoder
Players and
Interfaces
ST231
eSATA
Interface
DVP
USB
USB
USB
USB
USB
USB
2.0
2.0
USB
USB
1.1
1.1
STB peripherals
and external interrupts
Serial
FLASH
Comms
GPIOs
IR Tx/Rx
UHF Rx
2 x I/F
SmCard
SPI
7x
SSC/I2C
3x
ILC
UARTs
PWM
STBus
DSMA
USMA
DOCSIS 2.0+ MAC
RC
QAM/ QAM/ QAM/
FEC FEC FEC
TSMerger
Blitter
HD
Main/Aux Display
Video Decoder COMPOSITOR
Cursor 3xGDP
PTI
ST231
Aux video DEI
display
Main video
display
PCI EMI EMPI
PTI
Router and VTG0 DENC
2x
Ethernet
Formatter VTG1 DVO
MAC
6 DACs
HDMI
Digitized Cable Channels
MCARD
Interface
GMII / MII
September 2008
Rev 1
For further information contact your local STMicroelectronics sales office.
Analog Video
Digital Video Output
Output
(HD/SD)
TMDS
EMI/MPX/PCI
1/6
www.st.com
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