?ú??°????????×??????????8??????????????×??????í?÷????56%???ú????40%???ú??????×??÷????8??INTEL??????8051???????ù???ê?ú??33???????ó????32??PC?????í?÷?ú????30±???????×?????1971?ê??????????4?????????ú??????±??ü????×????ú????15%??????????????·????????????????????????ò???ü???????????????????????????°????????????????????????????????????????

???????????ü???ó???÷?????ú8????16?????????÷??PHILIPS°?????·??????ù??ARM7??32??MCU?????ú?·????PHILIPS????????×??í????????·¨?÷°?×?????MCU????PHILIPS?à?????ù?????????????????ì??????????????????32??MCU????????????·????×?ú???????ó???°???????????ü?????ü????PHILIPS????±???0.18???×COMS?¤?????ì????MCU???ü?á??????????FLASH?????÷??

FLASH

PHILIPS????LPC2100?????ù??MCU??????°ü??16??Thumb???????÷???????¨°ü?????±?à???????±?ú×???EmbeddedICE????32????·¨?÷??ARM7TDMI-S??????ARM7???????ò????3???÷??????·??¤?????ü?á??????×?????32??RISC???????????????á??????·????§????????????31000??????ARM7TDMI-S?????????????à?±??80C51?¨?????ó??9500????????3±???????????0.18???×?¤???±????????±??????÷????????0.18???×?¤????????1mm2????????????10?ò????????SRAM??????????4.65??m2???±???í?÷???????§???????°?????????÷???????????±????????±????ü???????????????ó?????????¨????????????±é??????????????????????????????????????·????????÷?è??6?ò??9?ò?????????ù????????????????????SRAM?????????????í?÷???????è????????????

??????????±?????????PHILIPS????0.18???×?¤?????ìLPC2100???????ü??1.8V??×÷????????????60MHz??????PHILIPS?????ü??????????????????????????FLASH?????÷??0.18???×CMOS?¤??????????×???FLASH?ù?????§????????????·????±????50ns???????ü?¨??????·????í??128???????????í?÷?à???????????í?÷????????????4??×???????????????°?FLASH?????±???????±????FLASH?????÷???????????????¤?????????????ù?±???í?÷±??????í?÷????·??????ò?±??±?????FLASH?????÷??????????????????PHILIPS?á??????FLASH×°?????ò???ü???¨?????????????????§???ò??????????????????

????

?ù????????LPC2100?????ù???÷????????128K??????FLASH?????????????????á?á??????64K???ó??1MB??FLASH?????÷??PHILIPS?????ê?í???±?ò?á?á??????256K FLASH??????????????2004?ê???ü????0.13???×?¤???ú?ú????1MB FLASH????????

LPC2100???????±??SRAM?????????????ó??±???LPC2104, LPC2105??LPC2106·?±?????16K, 32K??64K SRAM?????ó???????????÷??LPC2105??LPC2106?ü?????????í???é??????????????PHILIPS±í??????????????????????????????????USB??802.11??CAN???°A/D×???????????

????FLASH??????·?·¨

PHILIPS???????????ú?ú?ù??ARM??MCU?????????ü??????????????????FLASH?????÷????????Atmel??Hynix??Oki???á???ù??ARM7TDMI-S??????????FLASH??MCU???????ù???????§?????÷????±?PHILIPS MCU??FLASH?????ü?ó??×????ó?????ù??????Atmel???ü??AT91????????4?????ù????????????????2MB??FLASH??16±?????????PHILIPS LPC2100?????÷????Atmel MCU???ò???????ü?à??SRAM?????????????±??????????PHILIPS????????

????Atmel??Hynix??Oki??PHILIPS?ù?ú?ú???ù??ARM7??MCU????????????????±???????????????PHILIPS??Hynix??FLASH?????÷?????í?÷???????????????????±????Atmel??Oki????????????FLASH?????????í?÷???????????à????·?×°?±??????×??????????????÷??????·?×°?ó???????????°??????×??????????°?ì??

??Atmel??MCU?±????FLASH ???????í??????32??????????PHILIPS??128???í????·????±???ó??110ns??????PHILIPS FLASH?????÷????????°????????ó????????Atmel??MCU??????????SRAM????????FLASH?????ú???±????·??????ê????????????PHILIPS MCU??????????FLASH?????÷???????ò?????á?????????????§??Oki??MCU?????ü?????ò?????????í?÷??FLASH?????÷???à????????????16???í????????Hynix??FLASH?????í?÷???????????????????±???????ü????????16????????Hynix FLASH?????÷??·????±???ó????90ns??????PHILIPS MCU????????°???

PHILIPS??0.18???×??????FLASH?¤?????í???????????????????????????????ù??????????????????????·?×°??????????????????±???PHILIPS MCU??????????7??7 mm??±?×????ü??????Atmel??10??10mm AT91FR4042??AT91FR40162????????????°???Oki??ML67Q400x/500?÷?????????????à?÷????×??ó?????ü??LQFP·?×°??????20??20mm??4±???PHILIPS?÷????

????Atmel MCU???ò??±?PHILIPS MCU?????ü?à??SRAM???????????ü????????????FLASH?????÷????×?????SRAM±?FLASH?ü?ó?????ü?ó??????????????????·¨?????ù???????§???÷??????????±ê??·?×°???????ú??????????????????????PHILIPS??0.18???×?¤????LPC2100?÷?????????????????ü??????·?????????????????????????????

????32?????í?÷???????ù???????ù??ARM7??MCU??·???±???????????×????????à???ú?????é??????8???????????ù????????1.40?????????é??????????±????ó????????????????????????????·?????????

??????ARM?????ó??Thumb ?

ARM?????¨???á????±???MCU???????è??????????????Thumb????????????????????8????32??MCU????????????????????????Thumb?????????ê????????????ARM???ò±?????16????32?????????????????????????í?????ü???????í?ì???ò???????????????????ò??·????????????÷??????????Thumb?????ü??????????????·???????????????16???ú??±à?????????ò????????±???32???á?????ó?à????????

??????????????????Thumb??????ARM????????Hitachi?????úSuperH?á???à????SuperH??16??????????32??RISC?á???à?á???????ê??ARC??????????????·?????????ARCompact???????á???????á?????í???ò?±±à??16???ò32???ú?????ò???????à?????????ì??±à????ARCtangent???????ù±??????ó????16000???????à?±??ARM7????°??????ù32??RISC??????????????8????16???á?????ù