BCM7110 ? single-chip set-top box with docsis? 1.1 and pvr single-chip set-top box with docsis ? 1.1 and pvr system block diagram ? dual 1024/256/64-qam variable symbol rate receivers supporting itu-t j.83 annex a/b/c qpsk out-of-band receiver and a qpsk to 256-qam upstream burst modulator docsis ? 1.1 mac supporting quality of service (qos) davic 1.2/1.5 mac dolby ac-3/musicam ? audio decoding advanced 2d/3d graphics engine dual ntsc/pal video decoders ntsc/pal video encoder btsc decoder external bus interface (ebi) serving as local bus high-performance 250-mhz risc mips32? processor with 16-kb i cache and 16-kb d cache usb host and device (ohci) ethernet 10/100 mac personal video recording (pvr) with ide controller, 3des, and dedicated dma engines on-board des/dvb decryption single unified memory architecture software device drivers supporting multiple operating systems and middlewares bcm7041 dual-mpeg encoder interface other peripheral devices incl ude ieee 1394 interface, pod interface, v.90 softmodem support, led and uarts integrated front-end and back-e nd results in the most cost- effective single-chip set-top box solution with personal video recording (pvr) and docsis 1.1 pvr engine supports time shifting on a program being viewed and recording of another program simultaneously (watch and record) dual tuner architecture allows for simultaneous viewing of internet and video or two independent program streams for watch and record pvr docsis 1.1 quality of service (qos) enables applications requiring minimum bandwidths, such as voip and video conferencing support for docsis 1.1, davic 1.2/1.5, and dcii enables deployment in virtually all major markets worldwide single high-performance risc processor is capable of supporting today?s demanding set-top box operating systems, applications, and cable modem traffic external qam demodulator support for simultaneous docsis and pvr watch and record features summary of benefits BCM7110 cm os tuner bcm4413 ethernet hpna 1/2 sdram flash rom iso-7816 (2x) pod (pcmcia) rs-232 s video/composite/rgb spdif/analog l/r rf 3/4 cmos tuner data channel video channel hdd bcm7041 dual mpeg encoder
overview ? phone: 949-450-8700 fax: 949-450-8710 e-mail: info@broadcom.com web: www.broadcom.com broadcom corporation 16215 alton parkway, p.o. box 57013 irvine, california 92619-7013 ? 2003 by broadcom corporation. all rights reserved. 7110-pb07-r 12/29/03 broadcom ? , the pulse logo, and connecting everything ? are trademarks of broadcom corporation and/ or its subsidiaries in the united states and certain other countries. all other trademarks mentioned are the property of their respective owners. the BCM7110 is a single-chip set-top box device that combines the key aspects required for the next generation of set-top boxes including cost- effective single-chip design, personal video recording (pvr), broadband communication via docsis 1.1 cable modem, and support of all major global standards for worldwide deployment. the BCM7110 includes dual 1024/256/ 64-qam receivers, an out-of- band qpsk receiver and a qpsk to 256-qam upstream burst modulator. all major physical layer standards are supported for deployment worldwide. the device includes a complete docsis 1.1 mac (including qos) for broadband interactive services and davic 1.2/1.5 mac. the BCM7110 also includes a sta ndard definition mpeg-2 video decoder and 2d/3d graphics subsystem. this allows for the display of studio quality text/graphics and 3d effects. the dvb/dcii transport of the device supports pvr. this su pport includes time shifting on the program being viewed and recording of another program simultaneously. a full pcm audio engine for mixing sounds into the main audio stream is also on-chip. outputs include left and right analog and spdif. the BCM7110 also contains a high-performance mips32 risc processor with 16-kb i cache and 16-kb d cache. the BCM7110 includes a number of peripherals required for next- generation set-top boxes, including usb host and device, ethernet, ide controller for connection to disk drives, pod interface for external conditional access, pcmcia interface, and a glueless ieee 1394 interface. the BCM7110 also contains support for the broadcom v.90 softmodem. on-board descrambling supports all major conditional access systems and includes 3des encryption/decryption for pvr. the BCM7110 represents the most integrated, cost-effective set-top box single-chip solution incorporating next-generation requirements. it is built on the previous generation of broadcom silicon and software to offer a low risk and quick time-to-market for interactive broadband set- top boxes. ir rx/tx gpio irda led uart (x3) keypad counters (x3) spii and iic master dual ntsc/pal analog video dec broadcom front-end technology bb analog dual 1024/256/64-qam in-band demods with 10-bit a/d 70e130 mhz out-of-band qpsk demod with 6-bit a/d pod/ca i/f dvb/des descrambler icam ib/oob dc2/dvb transport with pvr 7816 (2x) mpeg 2/dc2 video decoder musicam / dolby ac3/ audio decoder pcm audio peripherals: engine with stereo dac ntsc/pal video encoder with dac broadcom 2d mips32 250-mhz 16kb i, 16kb d cache mmu graphics with filters, scaler rf 3/4 remod with sound trap arbiter/memory control paxel tm vector risc coprocessor btsc decoder usb host and device v.90 modem i/f ethernet mac ultra dma ide rom ddr sdram (16 or 32) davic 1.2/1.5 docsis 1.1 macs eurodocsis r l spdif composite rf 3/4 remod output s video rgb i/o (ebi) 0e 65 mhz transport ports (1394, external ca) mii daa/ codec fec sram audio in transport remux 36/44 mhz pod i/f iso flash or power amp/ image reject filter burst qpsk to 256-qam mod with 10-bit a/d hdd usb peripherals
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