BCM97315 features BCM97315 set-top box software development platform ? provides a cost effective solution for direct broadcast satellite (dbs) applications. ? all major system functionality is integrated into the bcm7315 single-chip, greatly reducing system cost and complexity. ? hardware and software design can be leveraged by set-top box manufactures for rapid time to market. ? provides a reference & development environment for the bcm7315 based set-top box designs. ? broadcom?s device drivers enable rapid software development cycles with support of industry-standard operating systems. ? reference design includes: ? schematic drawings and gerber files ? bill of material (bom) ? data sheets and users manual ? software source code ? application support summary of benefits ? BCM97315 dbs set-top box reference design product p r o d u c t brief b r i e f BCM97315 ? bcm7315 satellite single-chip ? 1?45 megabaud variable rate receiver ? data transport processor - support for directv tm and mpeg transport streams - des/dvb descrambler ? mpeg-atsc compliant audio/video decoders - mp@ml mpeg2 video decoder - decode of mpeg layer 1 & layer 2 audio ? broadcom graphics engine (bge) - supports 3 graphics, 1 x video and h/w cursor planes - 2d video scaling support - integrated pal/ntsc/secam encoder ? mips32 tm embedded processor - mmu support - ejtag interface for development support ? bcm3440 cmos tuner ? ide host interface for pvr development ? usb host capability ? software device drivers ? complete fully functional set-top box
the broadcom BCM97315 set-top box reference design is a complete hardware and software design based on the bcm7315 single-chip satellite device. the bcm7315 includes the dbs demodulator, mpeg-2 video, high-quality 2d graphics engine, mpeg and dolby digital audio, video encoder, and a mips32 tm -based microprocessor. all system memory and peripheral control is included to complete the set-top box system. the BCM97315 also includes a full sdram and flash memory complement. the BCM97315 includes an extensive software suite that has been developed for the set-top box environment. based around the broadcom porting interface, software developed for the prior generation reference designs, including bcm93714 and bcm93730, is portable to this latest set-top box development platform and can be leveraged by broadcom customers. this extensive software suite developed for set-top box applications includes software for the satellite front-end, mpeg- 2/ac3 audio and video decoder, and graphics subsystem. broadcom supports industry-standard operating systems and apis in this design. by developing with the broadcom porting interface, applications can be easily migrated to next generation devices. the BCM97315 is a complete set-top reference box design based upon the highly integrated, cost effective, bcm7315 satellite set-top box system on a chip. this cost effective design can be leveraged by broadcom?s customers to rapidly achieve the functionality required for today?s set-top boxes. broadcom?s device drivers are compatible with industry standard operating systems and associated apis that allow applications and content developed for set-top boxes to run on this platform with minimal effort by our customers. BCM97315 overview hdd bcm3440 cmos tuner tuner control rf out satellite ir_tx diseqc tm driver ejtag smartcard r yl wt aud-l bcm7315 ts_in high speed x-port aud-r composite base_band_qpsk decryption port single-chip system satellite set-top box mips cpu sdtv mpeg graphics pvr peripherals spi master i 2 c_master ch3/4_modulator ebi/68k coax line interface (daa) or softmodem v.90 digital audio spdif ide r 7-segment and/or leds keypad g b ir rx ir tx rs232 front panel interface smartcard (slots) usb host ejtag test_i 2 c 8m/16mx16 ddr-sdram ddr-sdram 16-bit uarts smartcards ir_rcvr flash 16mx16 rj11 r-g-b/ pr-y-pb/ c-y-cv video usb spi master rf and if agc diseqc controller rom 1mx8 (optional) c-ofdm terr. rcvr pcm / ac-3(5.1) optical hsci BCM97315 digital satellite set-top box reference design ? phone: 949-450-8700 fax: 949-450-8710 email: info@broadcom.com web: www.broadcom.com broadcom ? , the pulse logo ? and connecting everything ? are trademarks of broadcom corporation and/or its subsidiaries in the united states and certain other countries. mips32 tm is a trademark of mips technologies. directv ? is a registered trademark of directv, inc., a unit of hughes electronics corporation. diseqc tm is a trademark of eutelsat. all other trademarks are the property of their respective owners. broadcom corporation 16215 alton parkway, p.o. box 57013 irvine, california 92619-7013 ? 2003 by broadcom corporation. all rights reserved. 97315-pb01-r-06.25.03
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