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使用STM32F401/411後,不再使用STM32F103
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Bee
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Nov 18, 2014, 8:36:05 PM
11/18/14
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價格差不多,但設計上差了很多年,軟體上因為和STM32F2xx完全相容,軟體幾乎不用改。
回到STM32F103上寫程式,發現大部分週邊皆要做小修改。
這點在STM32Cube也可以看到。STM32F2xx/4xx是屬於同一個系統,而STM32F1xx本身就有不同分支,軟體較難維護。
所以在新案子上面,除非有特定需求,會以STM32F401/411做為低價位MCU核心。
Bee
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Nov 26, 2014, 8:30:52 PM
11/26/14
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最近ST及FreeScale業務均表示,明年將出1美元以下的Cortex-M4 MCU。
看來MCU內建浮點運算的時代已經到來。
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