Description
The STi5251 is a new, cost-effective SD advanced decoding STB SoC. The STi5251 is ideally suited to cable, terrestrial and terrestrial/IP hybrid networks. The STi5251 integrates in a single IC a versatile DVB-C/DVB-T demodulator/FEC (user mode selectable), multi stream transport demux, an ST40 applications CPU, A/V decode, video processing, graphics and display, advanced security, STB peripherals, audio/video DACs, digital A/V outputs, USB 2.0 host controller with PHY and ULPI, SDIO SD MMC controller and Ethernet GMAC controller with /MII/RMII/TMII interface.

FEATUREs
■ Advanced standard definition video decoding (H.264/VC-1/MPEG2/AVS)
■ Advanced multi-channel audio decoding (MPEG 1, MPEG 2, MP3, DD/DD+, AAC/AAC+, WMA9/WMA9pro)
■ Linux, Windows CE® and OS21 compatible ST40 applications CPU (450 MHz)
■ 16-bit DDR1/DDR2 compatible local memory interface (LMI)
■ Embedded DVB-C or DVB-T demodulator
■ Multi-stream, DVR capable, transport stream processing
■ Flexible ST231-based audio decoder
■ Flexible ST231-based advanced video decoder
■ Multi-channel flexible DMA controller
■ Extensive connectivity (dual USB controller, Ethernet MAC/MII/RMII/TMII and SD MMC/SDIO)
■ Advanced security and DRM support including SVP, MS-DRM, Marlin, DivX and DTCP-IP
■ External memory interface (EMI) with NAND Flash, NOR-Flash, peripherals support
■ Dual smartcard, 4 x UART, 4 x synchronous serial controllers (SSC), soft modem, IR transmitter and receiver, UHF Rx/SCD
■ 4 x 4 matrix key front panel switch scanner FSM with key de-bounce
■ 23 mm x 23 mm x 1.7 mm package