PXA27xϵǶʽIntelƶ绰ϵԵXScaleܹ´ϵУIntel20044·XScaleƷƵ624MHzIntelڲΪBulverdePXA27xʮǿǶʽ㷺Ӧֻ߶PDAPXA27xչӿSD/SDIO/MMCCF/PCMCIACMOS/CCD CAMERAMS/MSPROUSB1.1OTGIDELANSIMӿڡKEYBOARDȡ㷺PDAֻPMPơPXA27xλгֳֶýġ
PXA27x߱3DٹܣϷӦã֧400صCCDͷǿ֧LANӿڣչӦáPXA27xwireless MMXSpeedStep̬ԴǿPXA270ý崦ҼϵͳģӳЯƷĵSpeedStepԭӢضƶּͨԱϵͳҪߵƵ͵ڵߵƵʣϵͳҪʱͽƵڵͣ˷һ㡣SpeedStepԽPXA27xƵ26MHz624MHz()֮ɵڡҲ˵ϵͳȫʱPXA27x26MHzƵ£ʱĹĽ0.1
PXA 27xȫBulverdeʼص㣺Quick CaptureWireless Speed StepWireless MMX
PXA27xQuick Capture߿֧2048x2048ֱʵ400صƬʹͬʱҲֱ֧µĸʵʱطšΪPXA27xÿ25MB/sĴʹٶ㹻ӦֱַκƬʹȹ⣬ر˼PXA271Intelṩ˶չLCDֵּ֧֣֧ڶ24λɫLCDĻͬʱ256KB SRAM֡Ա֤ĻԸʾͼ
Quick CaptureΪ豸豸ṩӿڣڸĽͼԼͲƷɱպͿƵֲģʽüʹBulverde֧400뾵ͷṩ416Mbitݴʡ
PXA27x֧רõSpeedStepּʹϵͳеIJͬԴ״ԶлƵʺ͵ѹȻ֮ǰPXAϵдйУҲܹı䴦ʱƵʣSpeedStepPXA27xϵдȴܹϴĹƵʣıѹʵֵ͵ġIntelϳƣMMXSpeedStep֮Խʡ30-77%Ĺġ
Speed StepлС˯ֵ״̬߶̬ѹܣһ̶ϻĿǰֳ豸ձڵڱ֤CPUܵ£ȵؽƶ豸ġ
PXA27xMMX֧Ҳdz㣬MMXһּӿ촦ý崦MMX洦MMXЩӦΪMMXŻijԺܺõPXA27xϣյMMXŻʽͬMMXŻһģЩ˵һdzõϢΪֻܶҪмֲͿPXA 27xϵͳϡ
Pentium's MMXһֻIntel MMXTȽĶýָMMXʹûBulverde豸ӵпPCȵĶýͬʱܹȼϵͳģһ棬ҲṩϷMPEG4ƵļԼʶӦ÷ÿоƬX86ܹ4ϵϵĶýչXscaleоƬIJƷУûͨ߶ýչ(MMX)豸ϲŸƵάϷ
IntelͬʱPXA270ʹõͼЭ2700GýоƬÿ30֡,ٶȲMPEG4WMVͼʹPXA270Ķýܴﵽ
Intel PXA27xҪ3ԱPXA270PXA271PXA272ÿԱж312MHz416MHz520MHz624MHz⼸CPUƵIJƷгҪӦõ416MHzPXA272
OMAP
DZ˾OMAPOMAPintelXscalePCгintelAMDķ档ͬintelݵߵĽɫDZǿߡDzͬͺŵOMAPѾг25֮ࣨⲻЩͺͬƵʲͬʹOMAPһdzӴĴͥ
ԱһֻгļֲƷ575õOMAP730/586õOMAP750/մ㷺õOMAP850/ֹ㷺ʹõOMAP1611/1710ϿԿЩCPU¿ԷΪ࣬մﷺõĴ730/750/850ԼHigh proformanecϵд1611/1710)
1OMAP730
OMAP730һоƬһΪĵARM926EJ-SںԼDZ˾GSM/GPRSƽOMAP730ʽOMAP710˽ӽҸӵʡ硣˽ӽ40鲻ͬĹOMAP730ԱһOMAP710ԼһĿռ䡣Աһdopod515dopod565Ŀͷһͷdzˡ
OMAP730һŵǼ16kָ8kݻԼӲjavaٹܡʹøô൱졣ͬʱڵͬƵʴߡˣԼӲϵͳԱûݡ
Щʹ565/575/585/568ֻɹ2004һҹdopodͳΪǡֻ=մXǺܶĿеĺʽ
2OMAP750
OMAP750OMAP730ҪIJǰ֧DDRڴ棬˶ѡȻ˵DZ˾ŵôʹ˸ʡARM7ЭȽļ㷨ǴûǶOMAP730Ǹûʲô𡣸ڴȷʵܵЩãʮޡOMAP750ܿ쵭ǵߡ
3)OMAP850
εIJƷһ㣬Ҳò֡ںϸôָ֧256Mbڴģ飬ͬ730ҪIJڸôܻͬĸOMAP730ԵDZ˾ڸôTCS3500EdgeȷעˣNRNDͲƷĿǰг850IJƷǺܶġ
4)OMAP1611
ĦMPX220ùMPX220ȻĦȴĦĵϵûжñˡȻMPX220жdopod575ֻɵijȻݵġȻǵڼһMPX220ɵõijôOMAP7302Mĸٻ߰DZ˾˵ISRAM
16-bit EMIFS external memory interface
16-bit EMIFF external memory interface
ҪȷܹЧⲿ洢ƿƬϴٶȡTCֲͨͬĽӿִ֧DMAԪԴ洢ķʣEMIFSEMIFFIMIFEMIFSӿṩFLASHSRAMROMķʣEMIFFӿṩSDRAMķʣIMIF ӿṩSRAMķʡӿȫģκһDMAԪͬʱʡ
1611730/750ӵеARM926TEJϵͳͬ730/750ʹõARM926TEJ-SһSǺ£ARM926TEJ֮ARM926TEJ-SMMUڴԪ64ָԤִлԼ17ָд塣ģ1611ִָٶȡ
1611730/750TMS320C55x DSP730/750ʹõC54x˵TMS320C55x1611ƵIJϽ730ӵиĴٶȺõԱOMAP730/850omap1611ںܼܶ Nero showtime mobileִIJOMAP730ûֶOMAP1611չneroĻ档Ļ˿սϷCHA Ractor SEOMPA730/850ϿȥOMAP1611С
5OMAP1710
ĶNOKIAֻϵͳͬЧҲͲͬˡǿԸоDzøôNOKIA E50ƵʱԱȽôͬOMAP1611㲻ھISRAMȫĸڲµ90칤գôʡҵӿ١ݻ滹ָ涼õ˳ɱڴҲõ˸DZƸôܱһƷ40%ĵ½һ롣
TIԼ⼸CPUӦOMAP1710>OMAP1611>OMAP750>OMAP850>OMAP730ʵOMAP850730ٶȻ൱ֻǰֵ֧ڴϴѡ
Intel OXA27x Ti OMAϵٶȶԱȡ
ǰվԣ02 Atom(Intel PXA272 416Mhz)ֻͶմ818pro(Ti OMAP850 195Mhz)жԱȣڴƵռƵIntelPXA272ٶռơ
Spb Benchmark indexPXA272÷784.2OMAP850ֻ268.6CPU indexPXA272÷1683.6OMAP850ֻ926
CPUٶȲԽӷԡ˷ԡӷԼ˷ԣ10000000ΣIntel Xscale PXA272ٶҲҪTI OMAP850࣬ӷԺ˷УIntel Xscale PXA272IJԳɼûбTI OMAP850ڸӷ븡˷УIntel Xscale PXA272IJԳɼTI OMAP850ϡ
TCPMPPDAý岥 BetaPlayerƣ֧ڶýʽIJţ߱ܲԹܣͬһƵļIntel Xscale PXA272Ķý岥ҪTI OMAP850࣬ƽٶȴﵽTI OMAP850ң֡ҲTI OMAP850
ͨCPUøͨ7205400MHzƵCPUմ P860()ͲTi850200Mhzմ P800W()ԼIntel 520MhzĻ˶535ܲԡ
մp800p860Լ˶535жԱ
Spb Benchmark(ۺ)p800:232
p860:407
535: 493
CPU index: p800:830
p860:1568
535: 2283
Flie system index:ļϵͳp800:96.3
p860168.6
535 197
Gpaphics index ͼϵͳp8002608
p8603479
5355872
:ϸݶԱp860p800ĸӽһȻ˶535520MhzIntel cpuܣһIJġҺεǺCPUƵʳһԹϵĿǰֻCPUƵΪʱ
ĵַ:http://www.cnonline.org/2008/article/10739.html