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STi5205
High-performance advanced SD decoder for set-top box
Data Brief
Features
■ Advanced standard definition video decoding
(H264/VC-1/MPEG2/AVS)
■ Linux®, Windows® CE and OS21 compatible
ST40 applications CPU (450 MHz)
■ Multi-stream, DVR ca pab le tra ns port str eam
processing
■ Advance security and DRM support including
SVP, MS-DRM and DTCP-IP.
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
16
LMI
PCM out
2-ch
PCM in
Audio decoder
players and
interfaces
Audio L/R
out
Audio
DACs
ST231
core
out
Digital
video in
DVP
Description
The STi5205 is a high-performance, fully featured
Standard Definition (SD) advanced decoding
set-top box SoC (system-on-chip).
It is suitable for STB markets across all networks
(cable/satellite/DTT/x-DSL/IP) worldwide. The
STi5205 provides a high-performance solution for
a wide range of STBs that need just SD decoding
and SD display capabilities including l ow-cost
zappers, IP clients, interactive STBs and DVR
capable STBs.
Dual
eSATA
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
FLASH
Serial
SPI
4x
SSC/I2C
PWM
STBus
6DACs
output
capture
HDMI
TMDS
Main video
display
VTGs
DEI
Aux video
display
PCI
FLASH
NOR/NAND
SFLASH
EMI
EMPI
Dual
PTI 4SL2
3
SWTS
2
2
TSmerger/router
TS TS TSIN1/
TS
IN3
IN2IN0 TSOUT0
Sec
PDES
CP
NSK
Clock gen
services
Resets/
clocks/
modes
and
system
DUAL
FDMA
Ethernet,
MAC
MII/RMII
DeltaMu
Advanced
Video decoder
ST231
Output
stage
TXT
Bdisp
blitter
DENC
Main/aux Dis p lay
compositor and
pass through
Analog video
November 2008 Rev 1 1/8
For further information contact your local STMicroelectronics sales office.
www.st.com
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Feature list STi5205
1 Feature list
● High-performance CPUs for applications (ST40) and audio/video decoding (2 x ST231)
– ST40-300, dual-issue, applications CPU, 32 K instruction and 32 K data caches:
target speed > 450 MHz delivering > 800 DMIPs
● Single 16-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/AVS SD advanced video decoding
– Provides flexibility to support other codecs (DivX, XviD, H263 encode/decode)
– SD decoding or dual SD decoding, PIP and 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 and V reformatting/resizing with sample rate
conversion/filtering. Motion adaptive spatial and temporal de-interlacing for
480p/576p progressive output
– Aux: high quality H and V reformatting/resizing with sample rate
conversion/filtering
● Three independent graphics planes with H and 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
● SD display capture
● HDMI 1.3a
● Macrovision
● PAL/NTSC/SECAM digital encoder
● Six 10-bit DACs for component/composite analog video output (ED/SD formats up to
480p/576p)
● SD digital video input port, 8-bit YCbCr
● Integrated stereo audio DAC
● Six-channel audio PCM output interface
● Stereo audio PCM input interface
● Independent SPDIF output
● Quadruple external TS inputs, triple internal TS from memory
(a)
interface with HDCP copy protection. (ED/SD formats up to 480 p/576 p)
TM
and Dwight Cavendish copy protection support
a. Full compliance to all features of v1.3a, excluding Deep Color, enhanced colorimetry (xvYCC, gamut
metadata), and DST/DSD audio.
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STi5205 Feature list
● Dual DVB-CI+ (SD profile) modules supported
● Multi-stream transport stream de-multiplexing, 400 Mbits/sec, quadruple tuner DVR
capable
● DVB/DES/AES/Multi-2/ICAM descrambling
● Dual USB 2.0 host interfaces both with PHY
● eSATA interface
● 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
TM
TM
DOCSIS Cable FE
● DVR supported, with HDD attachment through eSATA, 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 smartcard interfaces, four UARTs, 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: PBGA 27 x 27mm, 620 balls, 7R32 x 32, pitch 0.8 mm, ball 0.5 mm.
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Applications STi5205
2 Applications
The STi5205 includes in a single IC, multi-stream transport de-multiplexing and
descrambling, an ST40 applications CPU, advanced audio/video decoding, video
processing, graphics and display composition, advanced security, STB peripherals,
audio/video DACs, HDMI, two Host USB ports, eSATA HDD port and Ethernet MAC
MII/RMII.
Figure 1.
IP client SD STB
LAN module
(1)
PCI
DDR2
Front panel
display and controls
Ethernet
RJ45
PHY
FLASH
KEYSCAN / PIOs
MII
EMI
LMI
2x
USB 2.0
STi5205
TMDS/I2C
I2C
30 MHz
HDMI
E2PROM
4/8
IR
Tx/Rx
RESET
JTAG
DCU
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STi5205 Applications
Figure 2.
LAN module
HDD
Hybrid DTT/Broadband STB with home network
Ethernet
RJ45
2x
USB 2.0
PHY
MII
TSin
Tuner
(1)
PCI
DDR2
Front panel
display and controls
(2)
STV036x
FLASH
eSATA
KEYSCAN / PIOs
I2C
STi5205
EMI
LMI
ST8024
TMDS/I2C
30 MHz
I2C
RGB
YC, CVBS
Analog
AUDIO L/R
SMARTCARD
HDMI
E2PROM
AUX/Loop-thru
STV641x
SPDIF
IR
Tx/Rx
JTAG
DCU
RESET
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Ordering information STi5205
3 Ordering information
Table 1. Ordering information
Order code Packaging
STi5205ZUB
PBGA 27 x 27 mm, 620 balls, 7R32 x 32, pitch
0.8 mm, ball 0.5 mm
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STi5205 Revision history
4 Revision history
Table 2. Document revision history
Date Revision Changes
10-Nov-2008 1 Initial release
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STi5205
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