brief BCM7335 ? high-definition pvr satellite system-on-chip BCM7335 single-chip system block diagram ? dual-integrated wide-band silicon tuners with diseqc 2.x and programmable fsk transceiver ? integrated demods ? dual dvb-s2 8psk demods ? qpsk demod (market-dependant) ? avc-compliant video decoder for mpeg-4 parts 2 and 10, mpeg-2, vc-1, atsc, divx, xvid ? programmable decoder supports multiple formats including mpeg layers 1 and 2, ac3, aac, pcm audio ? multi-threaded mips cpu ? 450 mhz, 32-kb i/d, 128-kb l2 ? mmu and fpu support, ejtag debug interface ? 400-mhz clock (800-mhz data) rate ddr2 memory configurable in uma and non-uma modes ? nand/nor flash support ? rich 2d graphics based on broadcom ? graphics engine ? dual sata-2 with esata support ? dual 10/100 ethernet with phy and mii ? three usb 2.0 ports ? on-chip security processor ? low cost dvb-ci support ? provides a cost-effective single-chip solution for high- definition direct broadcast satellite (dbs) applications with watch-and-record capabilities. ? based on field-proven and production-ready subsystems offering energy-efficient performance. ? feature-rich, fully integrated soc reduces the external components needed and reduces pcb real-estate. ? allows cost-effective ddr2-based memory with support for uma and non-uma modes. ? advanced 2d-graphics system allows a variety of applications to deliver studio-quality text and graphics on television screens. ? broadcom-developed device drivers enable rapid software development cycles with support of industry-standard operation systems. ? industry-leading third party operating systems, toolchains and middleware supported. ? 65 nm process technology offers low power and lower cost. features summary of benefits rf input dual-threaded mips cpu soc BCM7335 lna/s p litter bcm3445 ddr2 flash video audio ethernet usb 2.0 hard disk drive sata ii
overview ? phone: 949-926-5000 fax: 949-926-5203 e-mail: info@broadcom.com web: www.broadcom.com broadcom corporation 5300 california avenue irvine, california 92617 ? 2007 by broadcom corporation. all rights reserved. 7335-pb01-r 12/05/07 broadcom ? , the pulse logo, connecting everything ? , and the connecting everything logo are among the trademarks of broadcom corporation and/or its aff iliates in the united states, certain other countries and/or the eu. any other trademarks or trade name s mentioned are the property of their respective owners. BCM7335 reference design the BCM7335 is broadcom?s next-generation satellite pvr set-top box system on a single chip in 65-nm process. it integrates the dual-tuner/ demodulator bcm4506 front-end technology and the latest generation of avc decoder that supports multiple video formats. the BCM7335 supports worldwide standards for dbs transmission systems based on dvb-s2, 8psk, and is backward compatible with the dvb-s standards. the BCM7335 operates on a dual-threaded mips cpu core running at 450-mhz and yielding over 950 dmips in performance. the BCM7335 is designed to support uma and non-uma memory architectures, utilizing a 400-mhz clock, 32 + 16-bit wide double data rate (ddr2) memory i/f for enhanced performance and allows cost-effective memory solutions. the BCM7335 is a true single chip that can decode transport streams delivered via the integrated dbs front ends. in addition, it is capable of decoding external ts input from 10/100 ethernet port or via the dual sata interface for dvr applications with full trick mode support. several interfaces required for tv output are integrated on-chip including the hdmi, baseband composite, component, or s-video. an rf channel 3/4 modulated output is also integrated on chip. an hd video encoder with copy protection that supports ntsc, pal, and secam with simultaneous sd output and optional macrovision/dcs support is integrated on chip as well. the BCM7335 incorporates broadcom?s advanced 2d graphics engine, offering true studio-quality text and graphics with extremely efficient use of memory and bandwidth. a full range of peripheral devices is supported on the BCM7335, including uarts, dual iso7816 smart card interfaces, gpio, counters/ timers, ir tx/rx, uhf rx, i 2 c, and spi controllers. 2x ir/led/key 3x uart, 2x smart card, 1x uhf rx advanced audio processor avc / vc-1 mpeg-2/4 video decoder usb 2.0 ethernet/mi qpsk demod ddr2 dram 32 + 16 bit controller 800 mhz (data) uma and non-uma ddr2 dram interface three ports l/r audio out digital audio 6x video dacs component s-video composite hdmi hdmi dual-mac integrated phy rf in integrated tuner rf in rf mod ch. 3/4 video and graphics processing 450-mhz mips cpu 32k d/i cache 128k l2 peripherals diseqc soft modem i 2 s in/out 1x s/pdif pcm audio engine dacs 2d graphics processor pci/ebi data transport bsc ejtag security processor 656 out 4x bsc flash, pcmcia test ice integrated tuner 8psk demod 8psk demod rf in sata 2 dual port sata 2 soft modem
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