STi7105
Low cost advanced HD decoding IC for STB
Data Brief
Features
■ Advanced high definition video decoding
(H264/VC-1/MPEG2)
■ Advanced standard definition video decoding
(H264/VC-1/MPEG2/AVS)
■ Advanced multi-channel audio decoding
(MPEG 1, 2, MP3, DD/DD+, AAC/AAC+,
WMA9/WMA9pro)
■ Linux, Windows CE and OS21 compatible ST40
applications CPU (450 MHz)
■ 32-bit DDR1/DDR2 compatible local memory
interface
■ Multi-stream, DVR capable transport stream
processing
■ Extensive connectivity (dual USB hosts,
e-SATA, ethernet MAC/MII/RMII, MPX, and
PCI)
6-ch
S/PDIF
JTAG
ST40-300 core 450 MHz
TMUs/INTC
UDI
32 K I cache
CPU/FPU core
MMU
32 K D cache
DDR1
DDR2
SDRAM
LMI
16/32
PCM out
2-ch
PCM in
Audio decoder
Audio L/R
out
Audio
DACs
players and
interfaces
ST231
core
out
Digital
video in
DVP
■ Advance security and DRM support including
SVP, MS-DRM and DTCP-IP
■ DVD data decryption
Description
The STi7105 uses state of the art process
technology to provide an ultra low-cost, fully
featured HD AVC decoder IC. It is a highly
integrated system -on- ch ip su itab le for STB
markets across all networks (cable/satellite/DTT/xDSL/IP) worldwide.
The STi7105 is targeted at the latest Operator and
CE manufacturer requirements for STBs which
utilize advanced HD decoding (H264/VC1/MPEG2), and which conform to DVB, ISMA,
ATIS-IIF, SCTE, DirecTV, ATSC, ARIB, CEA, ITU,
OpenCable and MSTV specifications.
Serial ATA
HDD, int/ext
eSATA
interface
Dual
USB 2.0
hosts
USB
2.0
USB
2.0
Line side
DAA
System
side
DAA
Key
Scan
2x I/F
SmCard
GPIOs
Peripheral I/O
and external interrupts
Comms
ILC
MAFE
interface
4x
UARTs
IR Tx/Rx
UHF Rx
Serial
FLASH
SPI
4x
SSC/I2C
PWM
STBus
Dual
PTI 4SL2
3
SWTS
2
2
TSmerger/router
TS TS TSIN1/
TS
IN2IN0 TSOUT0
IN3
Sec
PDES
CP
NSK
Clock gen
Resets/
clocks/
modes
and
system
services
DUAL
FDMA
Ethernet,
MAC
MII/RMII
Delta Mu
Advanced
Video decoder
ST231
Output
stage
TXT
Bdisp
blitter
DENC
Main/aux Display
compositor and
Analog video
output
(HD/SD)
pass through
6DACs
capture
HDMI
TMDS
Main video
display
VTGs
DEI
Aux video
display
DVO0 DVO1
Digital
video
output 1
output 0
Digital
video
PCI
FLASH
NOR/NAND
SFLASH
EMI
EMPI
September 2008 Rev 1 1/11
For further information contact your local STMicroelectronics sales office.
www.st.com
11
Description STi7105
1 Description
The STi7105 provides a solution for operators to specify a range of low-cost, high
performance HD STBs including low-cost Zappers, IP clients, Interactive STBs, DVR
standalone and DVR server/home network capable STBs, and with content delivery
possible using broadcast or broadband networks, or both (hybrid STBs). The STi7105 keeps
pace with the latest conditional access, DRM and trusted platform requirements of major
operators worldwide by incorporating the latest generation of advanced security features.
The STi7105 offers current users of STs growing family of advanced decoding ICs
enhancements in performance and features whilst reducing cost and time-to-market for the
next generation deployments.
2/11
STi7105 Main features
2 Main features
The STi7105 is a new, advanced decoding SoC targeted at next generation HD STBs
(cable, terrestrial, satellite, DSL, IP, and Hybrid), and has the following features:
● Integrates in a single IC, Multi-stream transport demux, CPU, A/V decode, Video
processing, Graphics and Display, Advanced security, STB peripherals, Audio/Video
DACs, Digital A/V outputs, HDMI, e-SATA port, dual USB ports and Ethernet
MAC/MII/RMII
● High performance CPUs for applications (ST40) and audio/video decoding (2 x ST231)
– ST40-300, dual-issue, appl ic at ion s CPU, 32K I, 32KD cach es :
Target speed > 450 MHz delivering > 800DMIPs
● Single 32-bit DDR1/DDR2 Local Memory Interface (LMI), up to 400 MHz
● Latest generation “Delta” Video Decoder with ST231 programmable CPU core:
– MPEG2, H264, VC-1/WM9, HD or SD Advanced Video Decoding
– AVS SD decoding
– Provides flexibility to support other codecs (DivX, XviD, H263 encode/decode)
– HD and SD decoding or dual SD Decoding, PIP & Mosaic capable
– Real-time transcoding of MPEG2 SD to H264 SIF
● Advanced de-blocking and de-ringing of decoded MPEG2 SD sources based on ST’s
DSE (Digital Source Enhancer) Technology with 2D analysis window and Texture
Adaptive Filter
● ST231 CPU based Audio Decoder. MPEG1 I/II, MP3, Dolby Digital/DD+, MPEG4
AAC/AAC+ multi-channel audio decoding. Concurrent audio description decoding.
DD+ and AAC+ transcodi ng
● Main and Aux Video display pipelines:
– Main: high quality H & V reformatting/resizing with sample rate
conversion/filtering. Motion adaptive spatial and temporal de-interlacing for
480p/576p and 1080p60 progressive output
– Aux: high quality H & V reformatting/resizing with sample rate conversion/filtering
● Three independent graphics planes with H&V resize, CLUT and anti-flicker filtering
● Link list based 2D graphics blitter. Up to 200 Mpixels/sec with destination alpha
blending. Capable of 3D user interface effects.
● Independent Main and Aux display compositions (Video/Graphics mixing)
● Pass-through display for graphics, main video or aux video output concurrently with
main and aux compositions
● HD display capture and down-conversion for concurrent HD and SD output of the main
composition
● HDMI interface with HDCP copy protection (HD/ED/SD formats up to 1080p60). HDMI
interface is in full compliance with all features of v1.3a, excluding deep color, enhanced
colorimetry (xvYCC, gamut metadata), and DST/DSD audio features.
● 16-bit Digital Video Output for main display composition (HD/ED/SD formats up to
1080p60)
● Second 24-bit Digital Video Output for pass through display or main/aux display
compositions (HD/ED/SD formats up to 1080p60)
● Macrovision and Dwight Cavendish copy protection support
3/11
Main features STi7105
● PAL/NTSC/SECAM Digital encoder
● Six 10-bit DACs for component/composite analog video output (HD/ED/SD formats up
to 1080i)
● SD/HD Digital Video Input port, 8- or 16-bit YCbCr
● Integrated Stereo Aud io DAC
● Six-channel Audio PCM Output Interface
● Stereo Audio PCM Input Interface
● Independent SPDIF output
● Quadruple external TS inputs, triple internal TS from memory
● Dual DVB-CI+ (HD/SD profiles) modules supported
● Multi-stream transpor t strea m de- mul tip lexi ng, 333 Mbits/sec, Quadruple tuner DVR
capable
● DVB/DES/AES/Multi-2/ICAM descrambling
● CSS (DVD-video), CPRM (DVD-RW), and CPPM (DVD-audio) decryption is provided
for the DVD stream.
● Dual USB 2.0 host interfaces both with PHY
● Integrated 10/100 Ethernet MAC/MII/RMII, Wake on LAN, 75 MHz (300 Mbits/sec)
capable
● 16-bit External Memory and Peripheral Interface (EMI) - up to five banks
● Interfacing to, and boot from, NOR or NAND FLASH
● Interfacing to, and boot from, serial FLASH
● 32-bit, 66 MHz, PCI Interface, shared on EMI with access interleaving possible
● MPX Interface/protocol for high speed, glue-less, communications with STv0498
DOCSIS Cable FE
● DVR supported, with HDD attachment through e-SATA, EIDE (PIO mode) or USB
● Soft Modem support: integrated MAFE: integrated system side DAA (Si-Labs)
● Dual Multi-channel Flexible DMA Controllers
● STB Peripherals
– Two Smart Card interfaces, four UART s, four SSC/I2C, GPIO banks with alternate
functions, IR Tx/Rx, UHF Rx/SCD, PWM, ILC, HDMI CEC, 4 x 4 key matrix
scanner
● Advanced security - Secure control words, Code authentication, JTAG locking,
Network/DVR copy protection, SVP, VGS, DTCP-IP, MS-DRM, MSTV
● Package - FPGBA 27 x 27mm, 620 balls, 7R32x32, Pitch 0.8 mm, Ball 0.5 mm.
4/11
STi7105 Applications overview
3 Applications overview
Figure 1. Typical DVR cable STB with DOCSIS
SDRAM
CABLE
TUNER
2x
USB 2.0
RJ45
PHY
HDD
CABLE
TUNER
CABLE
TUNER
CABLE
TUNER
FRONT PANEL
DISPLAY AND CONTROLS
DDR2
STV0498 +
STV0130
STV0297E
FLASH
SPI or UART
KEYSCAN / PIOs
2xTSin
I2C
LMI
EMI
SATA
IR
Tx/Rx
MII
STi7105
JTAG
DCU
RESET
MAFE
TMDS/I2C
I2C
RGB
YC, CVBS
Analog
AUDIO L/R
ST8024
MAFE
DAA
30 MHz
STV641x
SMARTCARD
RJ11
HDMI
E2PROM
AUX/Loop-thru
SPDIF
5/11
Applications overview STi7105
Figure 2. Low cost IP client HD STB (wired ethernet or WiFi connection)
2x
USB 2.0
Ethernet
RJ45
WiFi module
PCI or
MPX
display and controls
DDR2
front panel
PHY
FLASH
KEYSCAN / PIOs
MII
EMI
LMI
IR
Tx/Rx
STi7105
RESET
TMDS/I2C
I2C
JTAG
DCU
HDMI
E2PROM
30 MHz
6/11
STi7105 Applications overview
Figure 3. High definition DVR satellite STB
RJ45
2x
USB 2.0
PHY
HDD
LNB H24
STV6110
STV0289
STV6130
STV6130
DDR2
front panel
display and controls
+
STV900D
DiSEqC
NAND
FLASH
I2C
TSin
TSin
TSin
EMI
SATA
SPI or UART
KEYSCAN / PIOs
LMI
IR Rx
MII
STi7105
UHF
Tx/Rx
MAFE
TMDS/I2C
YC, CVBS
Analog
AUDIO L/R
RESET
YPbPr
ST8024
MAFE/
DAA
30 MHz
I2C
3x
TSH110
TSH94
SMARTCARD
RJ11
HDMI
E2PROM
Y
Pb
Pr
Y
C
CVBS
L/R
SPDIF
7/11
Applications overview STi7105
Figure 4. Hybrid DTT/Broadband STB with DVR and WiFi home network
Ethernet
RJ45
2x
USB 2.0
PHY
MII
TUNER
STV036x
TSin
I2C
ST8024
SMARTCARD
HDD
WiFi module
PCI or
MPX
DDR2
front panel
display and controls
FLASH
SATA
KEYSCAN / PIOs
EMI
LMI
IR
Tx/Rx
STi7105
JTAG
DCU
RESET
TMDS/I2C
I2C
RGB
YC, CVBS
Analog
AUDIO L/R
30 MHz
STV641x
HDMI
E2PROM
AUX/Loop-thru
SPDIF
8/11
STi7105 Ordering information
4 Ordering information
Table 1. Ordering information
Order code Packaging
STi7105ZUB FPBGA 27 x 27 mm
9/11
Revision history STi7105
5 Revision history
Table 2. Document revision history
Date Revision Changes
08-Sep-2008 1 Initial release
10/11
STi7105
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