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STI7141
HD decoder for interactive digital cable set-top box
Data Brief
Features

- MPEG-4 HE AAC (aacPlus) - Dolby(R) Digital (AC-3), Dolby(R) Digital Plus

Three integrated cable receiver / demodulators DOCSIS/EuroDOCSIS 2.0 cable modem with support for DOCSIS 3.0 down-stream channelbonding SCTE-55 part 1 and 2 physical layer support for CableCARDTM Dual Core architecture providing more than 1600 DMIPS of processing performance Linux(R), Windows(R) 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 (AACLC)
8-ch S/PDIF PCM Out Out Protected JTAG Resets / Clocks / Modes DDR2 SDRAM 2-ch Analog PCM In Audio
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 (systemon-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.
Serial ATA HDD, int/ext Digital Video In USB USB USB USB STB peripherals and external interrupts Serial FLASH
Dual Core
16
Clock Gen and System Services
Audio DACs Audio Decoder Players and Interfaces ST231 GPIOs
Comms
ST40-300
SPI eSATA Interface USB 1.1 USB 2.0 USB 1.1 USB 2.0 IR Tx/Rx UHF Rx ILC 2 x I/F SmCard 3x UARTs 7x SSC/I2C PWM
LMI
Mailboxes 64K SRAM 3x FDMA
DVP
STBus Aux video display
DSMA
USMA
PTI TSMerger PTI
Blitter
DOCSIS 2.0+ MAC
HD Video Decoder ST231
Main/Aux Display COMPOSITOR Cursor 3xGDP
Router and Formatter
DEI Main video display PCI EMI EMPI
RC
QAM/ QAM/ QAM/ FEC FEC FEC
2x Ethernet MAC
VTG0 DENC VTG1 DVO
6 DACs Analog Video Output (HD/SD)
HDMI Digital Video Output TMDS EMI/MPX/PCI
Digitized Cable Channels
MCARD Interface
GMII / MII
September 2008
Rev 1
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www.st.com 6
For further information contact your local STMicroelectronics sales office.
Applications
STI7141
1
Applications
The STI7141 is a low-cost, networkable, HDTV set-top box device, with an embeded DOCSIS cable modem capable of providing DSG (DOCSIS set-top gateway), interactive multimedia and internet access for the digital cable market. The STI7141 provides an enhanced performance, lower-cost replacement to the two-chip solution STv0498 and STi7109. The following figures describe typical set-top box applications based on the STI7141. These applications maintain a high degree of software compatibility with set-top box designs based on the STv0498 and STi7109. Figure 1. STI7141 application: HD input SD display cable set-top box platform with DOCSIS 2.0
DDR 2 LMI
DDR 2 LMI Ch 3/4 Composite Filter S-Video RF Comp
STv0130
Cable
Silicon tuner Silicon tuner
PGA
FAT1 FAT2 RDC
S-Vid Audio Opto S/PDIF USB 2 Opto IR
MoCA MAC and PHY MSCC RJ45 USB 2 USB Secure micro Ethernet PHY
GMII MSCC MII USB 2.0 USB 1.1 USB 1.1
STI7141
EMI Flash
Audio S/PDIF USB 2.0 IR
Power supply components
Power on reset
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STI7141
Applications
Figure 2. STI7141 application: HD input HD display cable set-top box platform with DOCSIS 2.0
DDR 2 LMI
DDR 2 LMI HDMI CVBS S-Video YPrPb HDMI CVBS S-Vid YPrBr Audio Opto S/PDIF eSATA 1394 LLC and PHY 1394
USB 2
STv0130
Cable
Silicon tuner Silicon tuner Silicon tuner
PGA
FAT1 FAT2 FDC RDC
MoCA MAC and PHY MSCC RJ45 USB 2 USB Secure micro Ethernet PHY
STI7141
GMII MSCC MII
Audio L/R S/PDIF eSATA A/V
USB 2.0
USB 2.0 USB 1.1 USB 1.1
IR EMI
Opto
IR
Power supply components
Power on reset
Flash
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Ordering information
STI7141
2
Ordering information
Table 1. Ordering information
Order code STI7141ZWA Packaging PBGA 580 + 100 balls, 35 x 35 mm
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STI7141
Revision history
3
Revision history
Table 2.
Date 09-Sep-2008
Document revision history
Revision 1 Initial release Changes
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STI7141
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