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标题: zt: ?÷??PMP????·?°???±????°?????÷???°?° [打印本页]

作者: wards 时间: 2006-3-16 10:20 标题: zt: ?÷??PMP????·?°???±????°?????÷???°?°

?÷??PMP????·?°???±????°?????÷???°?°

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±???????????·??÷(PMP)?????ê±?????×??à???????°???????????????????ú?·??PMP???ù???????????????±???????????÷?ó°????????????????????????????°??????PMP??·??÷????????ì?????????????°??????????ù??????·??????à??

PMP???????°?°??·????§?????ù?????????ù???????÷????????×??ó????????×??????ú???ú?????ú????°???±?????????±????è±??????????????????????????????????è±?????????????PDA????????????????????????????·???????In-Stat/MDR????????2004?ê???òPDA????????????870?ò????????????2003?ê??1000?ò?????????????¤??????×????§×??ò???????°?????????êPDA???????????????¤??PDA???°???????????????í???????ú?????ú?ó???????°??????PMP???°?°?ú?ú??????

PMP?á???????????????ú?·?????§?????????ü??????MP3??×??à±????°???ì?????ú?á????MP3??·?????????iPOD??????×????????ú?·???ù?????ú?????????ú?ù???è±????±TI±????????????????é?????????????íGuillaume Coffinier±í?????°???ú±????á???ü?ó???????????ü?ó???????????ü????????????????????PMP?????????????????ù???±

??????·??????????ú?·?????????íJonathan Zapp??±í?????°PMP???ü?à????±???????×???????·??÷???????????????ú(PVR)??·????·???????????????ú????????????????????????????????????????????????(?????ó??)????±?(???????ü?ó??LCD??)???°?????¤×÷?±?????????????????è????????????PMP?è±????±

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×??????????????ò????PMP??·¨±????ú???ú???í????In-Stat/MDR????·?????Cindy McCurley?¤?????????????ê???ò??????760?ò??PMP????2008?ê???????ê???¤?????ü180%??

PMP????·?°?

???°??????PMP???í?÷??????·?°???°????????????à??????????°ü?¨??×?PC?ó????????????AMD,??×????ú?ó????TI??Freescale??ADI??·???????????×????????í?ì?ò??SigmaDesigns????·¨°?????(ST)????×????????ì?ò???????????°????????×?×?PMP?ú?????¨?????ó??IC?????????è??(Sunplus)??????°????????????§???á???????í?÷?ò????×??????????????ù??????????????????????·??????ì???ó????????·?°??±???è??????????????????·?????????±?????

???í???????§???????????????????à????·?°?????????????AMD?á???????¨?????í?÷??????????????PXA255????±?iRiver????????????????±?????????????(PMC)?ú?·???????°??????????PMP?á???ù??PXA270????·????¨??????Xscale???????????????í?÷???????ó??×????÷??????624MHz???????????????ó??AMD??????×¨????PMP?è???????í?÷AU1200???÷??????500MHz??×÷???¨??CPU?????????÷???§??·á????????????????°ü?¨MPEG-1??MPEG2??MPEG4??WMV9??DivX??XVID??MP3, WMA, WAV, ASF, AVI,JPEG?????????????í?????????ù???ü???????????????????????í?è?????ù???è???????í??±à?????÷?????±?????á???????ó????????
?ù??DSP??????·?°?°ü?¨TI??DM270/DM320??·???????PNX0190??ADI??Blackfin????(????BF531????????PMP??BF533????????PMP??BF561????????PMP)???°?????????ù??·?°??????è??????MCU(ARM7?òARM9)?????í???????¨????????????×÷?????????§?????????±TI±í????????????????DSP??×¨?¤??????TI???????è????????30??/????????????°?D1·?±?????WMV9??CIP·?±?????H.264??????????????30fps??????±à????D1·?±?????MPEG-4??????????MPEG-4 SP/ASP??MPEG-2??MPEG-1??DivX??WMV9??JPEG??????????ADI±í?????ù??DSP??????·?°??????§???ü??????????????±à?????÷????H.264?????????ù??DSP??PMP???????¨???í?????????§??????±à?????÷??

?ù??DSP??X86??PMP·?°?????????????±à?????¤×÷?????í???????????ù??MCU??·?°?????????????????????±à????????????Freescale??i.MX31??i.MX31L???í?÷?ù??ARM11,???????à?????????÷eMMA??°?????AK3220M??????????????×¨???????????????????÷???????????????????í?÷?????????ù?????????????ù?????à·?°??§?????????????????à??????????????Freescale?§??MPEG4??H.263??±à???????????§??MPEG-2???à????????????·?°????ù??ARM9??????32??MCU?????????é×?????PMP??·?°????§???????????????????????????????????????ì?????é×?????PMP????ARM???÷????

???????????????????????à·±?à??????????·?°??????????§???ù?????????????????????????÷????RM??RMVB???????ó??·?·?°????????§???????????§????????????????????·?·¨??????PC??????×????????ó????PMP????·???????PMP??×?????????×??????í????

?????????????ú?????????¤???ú?±???????????í??????????????PMP???????????é???ú?·???????????ú?????????ù???????????í?????????????????????????ú?·???????±??????????????PMP?????ú?????????í·???????????±??????????¤?¤×÷?±?????è????±?????????????????????·?°??????°????PMP??×??ù±????ó????????·??±??????3-4???±????????·??±????10???±???????¨?????????ü?????í??±à??????·?°????????ü??????????????????????AMD??·?°?????????????????±à??????·?°??ü????????Freescale??·?°???DSP+ARM·?°????????é????????????AMD??AU2000????PMP??????×¨?????????????§???ü?¤?????????????ü???°?ù??AMD??????PMP??????????·?5-6???±??????(1900mAh????)???ò??12???±?????????±????????(AMD???ú?í??)??×????????¤??????????±í????Intel??PXA270?ò??????SpeedStep????????????????26MHz-624MHz????×????÷??PXA270???÷???????????°???????í???¨????????CPU??????·????????????????±·?????°???????±????????ú?·???ú???íDirk JanRiezebos±í?????°DSP?á???????????????ú????°ü?¨???ó???à?????????????????ò?????????ü?????±?????????????????????????à??????·¨???????????????????????±

?í??????×÷????(OS)?§?????°??????·?PMP????·???×????ì?????????í??????????×??ó?????????±??????±í?????í????·???PMP??·????????·?·?????????????í????·??±?????????????ì?ú?·???????±?????????????????????????í????·??????×??????????±???
???ù??X86??????PXA270???í?÷??±à??±??????×???°?????????????????ú?ú?·???????????????????í??±à?????????????ò???????????ó?????ú?·??·????????ü????????????????·??±?????±????????Zapp±í????DSP????·¨×????????è????·??ó????±à???±?????ù?????????ù?ù?á?á???ê?????í??????·?°???????TI??Ingenient??×÷?á????±à??????·¨???í????·????????á????Nexperia??·??×?????????í???×????

?í??·??????°?ù??MCU??????·?°??á????±?DSP????·?°??ü???×????±à???????±Freescale?????°??±í????

±?????±?????AMD??AU1200???ù??MIPS?????????????????????????÷????ARM??????????±??????°MIPS????????????ARM9??1.7±?????MIPS???í????·??·??±?ARM9?????à???ó??·????????????¤??????ARM9???ì??????MIPS???ì???±??????

??OS·??????ó?à??PMP????????OS????Linux?????íPMC?ò????OS???????ò??????????OS??Freescale??????PMP?¨??????×???·??ú?·???????ü?????§???????????????¨??????????OS??

???????§??WinCE5.0?????í PMC???°??????????OEM????·??ù??Linux??????·?°??????????????ù?§?????± Zapp±í??????????????Linux????·????????????è???ü?à????·??¤×÷???????ù??Linux??????·?°????????????????à????AMD??TI???§??Windows??Linux OS??·???????°??????????§???ò???á??????????????·?????????·????±OS??

????OS??PMP???è????????(????????·??÷)??±à?????÷?????????ò?????°???÷???§???°??????·???????OEM?á???ê?????í??????·?°???°ü?¨°????§??°ü(BSP)????·????¨???è±????????ò????????·??¤?????????§???è???¨?????????§????(GUI)??????????

??????????·á????????????·????????????????ò???·?¨???§?÷???±???ü?à????????PMP???í?÷?????§?????÷??°ü?¨?????÷??????USB???????????¨???????????·??????????????????????????????????·?°????§??SDRAM??????????AMD??????????·????????????±?§??DDR?????÷???????????????ü?ì??±à????????????USB·?????????????????·?°????§??USB1.1???÷?÷??·?°????§??USB2.0??USB1.1????????????12Mbps????USB2.0????????????480Mbps?????°????40±?????????Freescale??i.MX31??·???????PNX0190???°????????PXA270???á????USB OTG????????±??±????????±????è±??à?????????????§?á???????¨???ó?à??·?°??????§???????????¨????????MMC/SD?òSD/CF????

??±?PMP??·???±?°ü?¨??????±??????ò?í????·¨??·??????????÷????????·?°???±?????????http://www.eetchina.com/ART_8800371636_675277_342beade_no.HTM???ù±???????????PMP?????????è????·?°???????3000-5000????????PMP??????SigmaDesigns,????5000????????????PMP?ò??????????TI??Intel??AMD??ADI??Freescale??·?????????????·?°???

作者: wards 时间: 2006-3-16 10:21

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????????±à???????????????ò????TV???????????ú???ù?????à??????????????PMP??±ê×????????????ó????????±à????????????±à???÷?ó??DVD??????TV????????????????PMP???????°??TI??·?°??????¨???í?????ê??±à????????????????????·?°??è??????????±à????????

??????????????ADI±í???????§?????????ú?ú?·??????????????Wi-Fi??????TI???????é×??????é????????PMP??????Wi-Fi?òUWB?????????é×???PMP????????×??????????÷??Wi-Fi????PMP???????????ò???????ò·???????????·?????????????????/????????

????????TV???????????úPMP??????????????TV???????°PMP?????????ü?ò?????????????????????????????????????± Freescale?????°??±í?????ò????????????°ü?¨DVB-H??T-DMB????

??±ê??(SD)?ò????(HD)????·??????°PMP???÷??????????SD×??òHD???ò?????????à??????????HDTV(PMP????????????)??????HD??????????????????±??????°???±·?????±í????

3.5????4?????????÷?÷?????°??PMP??????????????2.5????7??????????????±?????????±?????????·???????????3.5???????????±???÷?÷???????ó?à?????°???????í??±?????16??9????4??3??3.5???????????????§????????????????????×???????????×??ü??????16??9??4?????????????°3.5????????????????????4????????2/3???ù??????4?????????ü???????????±????????????±í????

???????÷?÷??PMP?ú?·?ù??????????×÷???÷?????????÷???????????????????????ó?????????????±????1????????????2????±???????????3??????????????????????1??3??????PMP?ú?·?????ü?????ù???¤????????°???????????????×?Nand?????????????????ó????±??????????????÷?÷PMP?ú?·???????÷????Nand????????????????±?????

PMP????????°?

?÷????°?°ü?¨??±??????????????????°?????????ú???·???????ú???·????PMP???????ó?à??5000?????????????????¨?ó??????·???????????????PMP??????????·???×??ó?ò?????°PMP?????????á??MP3??·??÷???ù???????¤???±Parks Associates??????????·?????Harry Wang±í?????°?????¤?????????ê???è?ó??????????????2007?ê?×?ò2008?ê????·?????PMP?????¤???á?ó?????±Intel????????????????·???????PMP?è±???????±??????ü199-299???????????????????????à????·¨???°LCD????????????·?±???????°?????????2008?ê???±?òPMP???????á??·????±

?±·???????????PMP????·??????í?????ò????????????????×??ó????°????±·???·¨????????PMP????????????????????????????·???DVD??????·¨??????DVD??????????×????í??????????????HD-DVD?????í?è±??????????í????±??????????ú??????????????

??????TI±í??????×???×????????????????°MSN?????????òTiVoToGo??·?????????????????°??????????§????????PMP???????????¤??

×??ó???????????????????±?????°???§???????é????????×?????????????????????±??????????á???ì???????±Freescale?????°??±í?????????????????????????è?????????????????????ò??·??ü?ó???????????????ú×????§?????ó??

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