STI5197 STMicroelectronics, STI5197 Datasheet - Page 3

• Manufacturer Part Number: STI5197
• Description: Low-cost Qam Demodulator And Mpeg2 Decoder For Set-top Box Applications
• Manufacturer: STMicroelectronics

STi5197
High performance CPU for applications, middleware, drivers, audio decoding and
network protocols
–
–
–
–
Single, 16-bit wide, unified local memory interface
–
MPEG2 MP@ML video decoder, dual SD decoding/PIP capable
Audio sub-system
–
–
–
–
–
–
–
–
Programmable external memory interface
–
–
–
–
–
Interface to, and boot from, Serial FLASH via high speed SPI interface
–
Graphics/Display processing
–
–
–
–
–
–
Display output
–
–
–
ST40-300, dual-issue, applications CPU
FPU, MMU, 32KI, 32KD 2-way set associative caches
Supports OS21 and Linux operating systems
Target speed > 350 MHz delivering >580DMIPs
Supports both SDR SDRAM up to 166 MHz and DDR1 SDRAM up to 200 MHz
MPEG-1 layers I/II decoding
MP3 decoding
Dolby Digital 5.1 decoding and down mix to Stereo/Pro-logic
Concurrent decoding of audio description
Optional feature: BTSC stereo encoding
PCM mixing with sample rate conversion
Simultaneous audio decode and output of Dolby streams on S/PDIF
IEC60958/IEC61937 digital audio output interface
Integrated stereo audio DAC system
Four separately configurable banks, 8/16-bits wide
SRAM, peripheral, NOR Flash, NAND Flash, Burst Mode Flash support
Boot from NOR or NAND Flash
Support for DVB-CI module host interface
Fast synchronous MPX (master) protocol on EMI for interface to STv0498 Triple
QAM/DOCSIS cable modem IC
High speed Dual I/O support
High performance 2-D graphics blitter accelerator and display compositor, Link list
control
Multi-plane video/graphics composition with alpha blending, typical four-plane use
case (background color + still plane + video plane + OSD plane), and integrated
Tile RAM bandwidth saver for enhanced performance
High quality horizontal and vertical reformatting and resizing, with sample rate
conversion/filtering for video and graphics
8 bpp CLUT and 16 bpp true color graphics formats supported
Advanced anti-flicker filtering
De-interlacing SD to 480p/576p for HDMI output
PAL/NTSC/SECAM encoder
Encoding of CGMS, Teletext, WSS, VPS, Closed caption
Macrovision 7.1D copy protection
Description
3/9