Low cost HDTV set-top box decoder
Confidential
® STx7100 (STb7100, STi7100, STm7100)
Low-cost HDTV set-top box decoder for H.264/AVC and MPEG-2
Feature...
Description
Confidential
® STx7100 (STb7100, STi7100, STm7100)
Low-cost HDTV set-top box decoder for H.264/AVC and MPEG-2
Features
■ The STx7100 is a single-chip, highdefinition STB decoder including: ● ST40 CPU core, 266 MHz ● dual ST231 CPU cores for audio and video decoding, both 400 MHz ● transport filtering and descrambling ● video decoder: H.264/AVC and MPEG-2 ● graphics engine and dual display: high-definition (HD) and standard definition (SD) ● audio decoder
ADVANCE DATA
■ The STx7100 also features the following embedded interfaces: ● USB 2.0 ● DVI/HDMI output ● digital audio and video auxiliary input ● modem ● serial ATA
ST40 core 266 MHz
UDI 16 K Icache
MMU
Int. control 32 K Dcache
5 x 2-ch
DDR
PCM out S/PDIF
SDRAM 2-ch AudioL PCM in AudioR
SD video in
32 32
Video LMI
System LMI
Audio DACs
Audio decoder and interfaces
ST231 core
Serial ATA interface
Digital video input
USB 2.0
Peripheral I/O and external interrupts
2x I/F SmCard
6x GPIO
IR Tx/Rx
ILC
MAFE interface
4x UARTs
PWM
3x SSCs
PDES PTI
TSmerger/router
CP FDMA
Clock generator and system services
DAA DiSEqC
STBus
Video decoder H.264/AVC, MPEG2
ST231 core
2D gamma blitter
CUR GDP GDP
Display compositor
DVI-HDCP HDMI
Output stage DENC
DACs
DACs
LMU Main video
display
Aux video display
EMI
TSIN0 TSIN1 TS I/O NRSS-A
TMDS main video output (HD)
Main video output (HD)
YPbPr
Aux video output (SD) YC/CVBS
Flash peripherals
September 2005
7801572A
STMicroelectronics Confidential
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