Sujet : STi5518, bras droit du Broadcom
L'autre grosse puce intégrée dans la Freebox comporte aussi quelques fonction intéressante.
Elle est apparement souvant utilisé dans les résepteurs/décodeurs satellites.
SINGLE-CHIP SET-TOP BOX DECODER WITH MP3 AND HARD DISK DRIVE SUPPORT
Integrated 32-bit host CPU up to 81 MHz
• 2 Kbytes of Icache, 2 Kbytes of Dcache, and 4 Kbytes of SRAM configurable as Dcache.
Audio decoder
• 5.1 channel Dolby Digital® /MPEG-2 multi-channel decoding, 3 X 2-channel PCM outputs
• IEC60958 -IEC61937 digital output
• SRS®/TruSurround®
• DTS® digital out and MP3 decoding
• Alignment beep for satellite dishes.
Video decoder
• Supports MPEG-2 MP@ML
• Fully programmable zoom-in and zoom-out
• NTSC to PAL conversion.
DVD and SVCD subpicture decoder
High performance on-screen display
• 2 to 8 bits per pixel OSD options
• Anti-flicker, anti-flutter and anti-aliasing filters.
PAL/NTSC/SECAM encoder
• RGB, CVBS, Y/C and YUV outputs with 10-bit DACs
• Macrovision® 7.01/6.1 compatible (optional).
Shared SDRAM memory interface
• 1 or 2x16-Mbit, or 1x64-Mbit 125 MHZ SDRAM.
Programmable CPU memory interface for SDRAM, ROM, peripherals...
Front-end interface
• DVD, VCD, SVCD and CD-DA compatible
• Serial, parallel and ATAPI interfaces
• Hardware sector filtering
• Integrated CSS decryption and track buffer.
Hardware transport-stream demultiplexor
• Parallel/serial input
• DES and DVB descramblers
• 32 PID support.
Integrated peripherals
• 2 UARTs, 2 SmartCards, I2C controller, 3 PWM outputs, 3 capture timers
• Modem support
• 44 bits of programmable I/O
• IR transmitter/receiver.
Professional toolset support
• ANSI C compiler and libraries.