Video: Qhov kev qhia twg teev nyob rau hauv caj npab muaj ntau dua code ceev?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Tus ntiv tes xoo txheej qhia siv rau ntawm ARM ® Cortex®-M processors muab zoo heev code ceev piv rau lwm cov processor architectures. Ntau tus neeg tsim software tsiv teb tsaws los ntawm 8-ntsis microcontrollers yuav pom qhov txo qis hauv qhov xav tau qhov loj me, thaum kev ua haujlwm kuj tseem yuav txhim kho tau zoo.
Ntawm no, dab tsi yog high code ntom nyob rau hauv caj npab?
2. 23. Code ceev hais txog xoob ntau npaum li cas microprocessor cov lus qhia nws yuav siv los ua qhov kev thov, thiab qhov chaw ntau npaum li cas txhua qhov kev qhia yuav siv. Feem ntau hais lus, qhov chaw tsawg dua qhov kev qhia yuav siv thiab ua haujlwm ntau dua ib qho kev qhia uas lub microprocessor tuaj yeem ua tau, qhov ntau ntom nws. code yog.
Tsis tas li ntawd, dab tsi yog ib qho txiaj ntsig ntawm 32-ntsis ARM cov lus qhia teeb thiab ib qho txiaj ntsig ntawm 16-ntsis ARM Thumb qhia teeb? Cov 32 - cov lus qhia me ntsis muab tag nrho nkag mus rau lub tshuab, thiab feem ntau ntawm qhov yooj ntawm qhov qub ARM cov lus qhia txheej . Cov 16 - cov lus qhia me ntsis txuas ntxiv muab kev cai nruj nruj.
Ib yam li ntawd, tej zaum koj yuav nug, dab tsi yog qhov code siab ceev?
code ceev - Khoos Phis Tawj txhais Cov nqi ntawm qhov chaw uas ib qho kev pab cuam executable coj mus rau hauv lub cim xeeb. Code ceev yog ib qho tseem ceeb hauv cov khoom siv mobile uas muaj cov cim xeeb tsawg.
Muaj pes tsawg ARM cov lus qhia muaj?
ARM muaj 37 sau npe nyob rau hauv tag nrho, tag nrho cov uas yog 32-ntsis ntev. Tsis muaj kev sib cais ntawm cov npe nkag tau tam sim no. -Txhua cov lus qhia tuaj yeem nkag mus rau r0-r14 ncaj qha. - Feem ntau cov lus qhia kuj tso cai siv lub PC.
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