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STMicroelectronics Electronic Components Datasheet

STi7197 Datasheet

Advanced STB decoder

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STi7197
Advanced STB decoder with integrated
QAM demodulator
Features
ITU-T J83 Annex B compliant
256 QAM (quadrature amplitude modulation)
demodulation and FEC (forward error
correction) sub-system
Advanced high-definition video decoding
(H.264/VC-1/MPEG2)
Advanced standard-definition video decoding
(H.264/VC-1/MPEG2/AVS)
Advanced multi-channel audio decoding
(MPEG 1, 2, MP3, DD/DD+, AAC/AAC+,
WMA9/WMA9Pro)
DVD data decryption
Multi-stream, DVR capable transport stream
processing
Linux, Windows CE and OS21 compatible
ST40 applications CPU (450 MHz)
32-bit DDR1/DDR2 compatible local memory
interface
Extensive connectivity (dual USB 2.0 host
ports, e-SATA, Ethernet MAC/MII/RMII, and
PCI)
Advanced security and DRM support including
SVP, MS-DRM, and DTCP-IP
Description
The STi7197 is an advanced STB decoder with
an integrated QAM demodulator, suitable for
cable networks conforming to the ITU-T J83-
Annex B standard (for example, US cable).
The STi7197 integrates multi-stream transport
demultiplexing, audio video decode, video
processing, graphics and display handling, STB
peripherals, audio video DACs, digital audio video
outputs, PCI, e-SATA, dual USB ports, an
Ethernet GMAC controller and ST40 applications
CPU.
JTAG
Resets
Clocks
Modes
Analog out
PCM I/O
S/PDIF out
STB peripherals I/O
External interrupts
CPU/FPU
ST40 450 MHz
MMU
Interrupts
I cache
D cache
Timer
Debug
Clock Gen
System serv
Dual FDMA
Bdisp Blitter
Audio I/O
PCM players
PCM reader
DACs
Audio decoder
ST231 CPU
Transport
Security
Dual PTI
TS merger
Video decoder
ST231 CPU
Delta Mu
Demodulator
ITU-T J83-B
STBus
Display
Video planes
Graphic planes
Cursor plane
Main VDP
Aux VDP
Deinterlacer
Capture
Peripherals
SSC
UART
MAFE
PWM
Infrared
Smartcard
Video I/O
DVOs
Denc
Teletext
DACs
HDMI
VTGs
DVP
System
interfaces
EMI
PCI
SPI
LMI
Connectivity
Flash, SFlash
NOR, NAND
PCI peripherals
Serial Flash
DDR1/DDR2
memory
USB
e-SATA
Ethernet
DAA
Transport streams
Parallel/serial in/out
Transport IF in
stream
Digital video HD/SD in/out
Analog video HD/SD out
July 2011
Doc ID 8265038 Rev 2
1/410
www.st.com
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STMicroelectronics Electronic Components Datasheet

STi7197 Datasheet

Advanced STB decoder

No Preview Available !

Contents
Contents
STi7197
1 Related documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.1 STi7197 programming manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.2 CPU documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2 Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.1 Front end . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.2 QAM demodulator/FEC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.3 IF to MPEG2 TS block conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.4 Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.5 Connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.6 Audio/video decoding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.7 Graphics and display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.8 Audio/video outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.9 Processors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.10 System interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.11 DVR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.12 STB peripherals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.13 HDMI interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.14 Target applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3 System on chip subsystem overview . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.1 ITU-T J83 Annex B demodulator/FEC . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.2 STBus interconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.3 Processor core . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.4 External memory interface (EMI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.5 Local memory interface (LMI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.6 STB transport subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.7 DVD decryption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.8 Video decoder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.9 Main and auxiliary display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.10 Compositor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2/410
Doc ID 8265038 Rev 2
Downloaded from Arrow.com.


Part Number STi7197
Description Advanced STB decoder
Maker STMicroelectronics
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