标题: ???????????ú??????DSP-zt
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发表于 2005-10-9 14:27  资料  个人空间  短消息  加为好友 
???????????ú??????DSP-zt



?????????????ê?????????ú????·????????????ò????????????????????×????????????????????ú???§???????????????í?í????·?·¨????????·??????è?????í???????????????ó???????±?????????????ó???????????????????ú?????????ú×????ó???ü?ê?????÷??????????????DSP?????????????ó???????í??????·??¤???????????à???????????????????ó·ù????????????????DSP?÷???°?????ü???×?????????????????????ó???§?????????????à???????ú???§????????DSP?÷?????á???ú?·??????DSP?÷?????ú?????????ú???±?ú???????ì??
±???????????????????·??????????ú??DSP?÷??????±??????????ù????????TI??TMS320C2XX????DSP?÷????????????DSP?÷?????ú?????ú??????????

DSP?÷?????????ú??±???
1.?????ú??????
?ù???????ú?????????é????????????CPU??RAM??ROM(EPROM?òEEPROM)???±?????¨?±/?????÷???à??????????????????I/O??????Intel??????8031?????????????????ù±?????????????????????A/D??D/A????Intel??????8098?????????¨?????????????ú??????????????
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??·??·???ê±?????·??¤????????????×??????à??
?ó±???????×????ú???ó?à???????????è???????ú???????????ú???é??
2.DSP?÷????????
???????ú?à±???DSP?÷????????????????????DSP?????ü?ì??CPU???ü?ó???????????÷?????????¨????·??ú?÷??FIFO?????÷???á??????????????????±ê×??ì??????????????????????A/D?????ù/±??????·?????á??PWM??????DSP?÷??????????????·??á?????????????????ò???????????????í???±???????ò????????????????????????·¨?÷?????????à???÷????????DSP?÷??????????????????????????DSP?÷??±?16???????ú???????????±???ì8??10±????ê???????????????ì16??30±???DSP?÷?????á????????ר???????????????á????FFT?ì????????±????????¨?÷??????????????????DSP?÷???á??JTAG???????????ü????????·????????ú???ú?ú?????ü·?±?????·??¤?????????????????÷·??????????????§????×??????í????????±à/????C±à???÷??C?????÷???÷??
???°?ú??????????×?????·???DSP?÷???????ú???????÷(TI)?????ú?ú??TMS320??????DSP??·????????ú?ú???¤×÷?????ê?????ú?ú??·???????????????±?????????????°?????????TMS320C2XX??·???????????????·???????????1/5?????ó?ó???¤??DSP?÷?????????????°???????????????????¨??DSP???é????TI??????±±?????¤???????????????????§???????????????ú??DSP?÷????????????????
3.DSP?÷???ó????????????????
?¨??????±????????????????á????DSP?÷???????????????????????????????ú
??????????????DSP?÷?????????????????????????ú????????????????DSP?÷?????????ú?????ú???????ú?????????úDSP??DSP?÷???????ó·ù?????????±±??????ú??DSP?÷????·???????JTAG????·?????±??????ú?ü?×???????÷?????ú?ú????DSP??·????????ü?à???§????DSP?÷???á????????????DSP???ú?????ú?????????????????????????????ì,?ó??????????????????
DSP?÷????????????
??×?DSP????????????????DSP?÷????×÷???±???í???????±????????????·?????????????????
TI????×?????????TMS320C2XX??????????????????????±????ù±????????ú16???????ú??????TMS320C203????????????????±?100????????????544×???????SRAM?????????°?·64K×????ò/?????°I/O????????????25ns??50ns?????????±?????í±?16???????ú?ì2±????????????ú??°????????ú??TMS320F206????????TMS320C203??????????????32K×????????ì???????÷?????ú×??????è???????ó????×??ó???????????§°?????????TMS320F240????????DSP????TMS320C203??F206?ê????????????8K/16K×??ì???????÷???????????·10??A/D?????·???ù????????166kHz???á??9?·??????PWM??????????SCI??SPI??????????CAN×??????????????ó?ó??????TMS320X240?????í???????????ú?????ì?ò?????????ó???ú?ü?????ü????????????TMS320F240?????§???????ü??????????????
3?àPWM????/3?à???÷????/°??ü?????????§????/RS232?¨??,A/D??D/A????,62K×???????SRAM,?????????????????°???òI/O??/JTAG????









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