STiH225 Interactive HDTV cable STB processor with integrated front-end Data brief – Dolby® Digital (AC-3), Dolby Digital Plus Features ■ ■ ■ DOCSIS/EuroDOCSIS 2.0 cable modem with support for DOCSIS 3.0 down-stream channel bonding Integrates three cable receiver/demodulators with 12-bit ADC IF interface and one cable transmitter with 14-bit DAC output Dual core architecture ® ■ Linux compatible ■ Firmware-based multi-standard HD video decoder for: – H.264 / MPEG-4 AVC HP@L4 – MPEG-2 MP@HL – SMPTE VC-1 AP@L3 ■ CPU/FPU Resets Clocks Modes Clock Gen System serv ■ DVR support, and trick play modes ■ Dual display HD and SD ■ 2D Blitter graphics with video mosaic support ■ Multi-level layered security ■ Interfaces include USB, Ethernet, HDMITM, eSATA ■ Single port 10/100 fast Ethernet transceiver The STiH225 is an interactive HDTV set-top box device, with an embedded DOCSIS cable modem capable of providing DOCSIS set-top gateway (DSG), interactive multimedia and internet access for the digital cable market. STiH225 device can be used as a mini gateway for the home network. Analog out PCM I/O S/PDIF out STB peripherals I/O External interrupts Audio I/O Peripherals PCM players PCM reader DACs SSC UART ILC PWM Infrared Smartcard GPIO Triple FDMA Bdisp Blitter Firmware-based programmable transport stream (PTI) processor Description Firmware-based multi-standard audio processor for: – MPEG-1 I/II/III (MP3), MPEG-2 ACC (AACLC) – MPEG-4 HE AAC (aacPlus) JTAG ■ Audio decoder System interfaces Flash, SFlash NOR, NAND EMI PCI Serial Flash LMI PCI Peripherals Serial Flash DDR2 Memory STBus Transport Security Video decoder Display Video I/O USB 2.0 Connectivity DOCSIS 2.0 + MAC eSATA ITU-T J.83 A/B/C Ethernet Cable transceiver MCARD November 2011 RF out IF in Digital video ED/SD out Analog video ED/SD out Doc ID 022120 Rev 3 For further information contact your local STMicroelectronics sales office. 1/4 www.st.com 1 Introduction 1 STiH225 Introduction The STiH225 is a highly integrated system-on-chip (SoC) designed to meet the demanding need of the interactive cable set-top box market. The STiH225 integrates all the major system functions into a single device, and provides world leading, multi-layer, advanced security technologies to protect valuable video and audio assets. 2/4 Features Benefits Combines a cable transceiver and ITU-T J.83 A/B/C demodulator with STB decoding and display functions This highly integrated SoC helps to reduce board area and manufacturing cost, allowing costeffective and small-size STBs to be designed for ITU-J.83 A/B/C (DVB-C, SARFT, SCTE-40) networks Integrates EuroDOCSIS/DOCSIS 2.0 cable modems with support for DOCSIS 3.0 downstream channel bonding The embedded EuroDOCSIS and DOCSIS cable modems are capable of providing DOCSIS set-top gateway, interactive multimedia and internet access for the digital cable market Serial Flash-based secure boot and code storage; 35 mm x 35 mm x 2.30 mm PBGA package Enables further BOM optimization and cost reduction of advanced decoding SD STBs ST40 applications CPU, 32 K I cache, 32 K D cache Superscalar performance from a single CPU core, using standard tools and operating systems (Linux) STMicroelectronics' DELTA video decoding system with ST231 processor Decoding of advanced standard definition MPEG2, H.264 and VC-1/WMV9 streams, with the performance and flexibility for web-based content decoding such as Flash, DivX, MJPEG, XviD and Real Dual USB 2.0 hosts, dual Ethernet MAC with one PHY compatible with MII/RMII and GMII Extensive high-speed connectivity for the widest range of STB peripherals, such as Flash drives, external HDDs, home network controllers (for example MoCA, Wi-Fi), memory cards Advanced 2D graphics and display subsystem Allows visually appealing user interfaces and video-rich navigation to be offered to consumers, while high-quality progressive output can be watched on the latest displays Doc ID 022120 Rev 3 STiH225 2 Revision history Revision history Table 1. Document revision history Date Revision 14-Oct-2011 1 Initial release. 24-Oct-2011 2 Minor content changes. 3 – Updated the reference to DVB-C to ITU-T J.83 A/B/C in the block diagram on page 1 – Updated the reference to DVB-C to ITU-J.83 A/B/C (DVB-C, SARFT, SCTE-40) in the Features & Benefits table on page 2 11-Nov-2011 Changes Doc ID 022120 Rev 3 3/4 STiH225 Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. 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