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STM32F405XX 데이터시트(PDF) 13 Page - STMicroelectronics |
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STM32F405XX 데이터시트(HTML) 13 Page - STMicroelectronics |
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13 / 154 page ![]() STM32F405xx, STM32F407xx Description Doc ID 022152 Rev 1 13/154 2.1 Full compatibility throughout the family The STM32F405xx and STM32F407xx are part of the STM32F4 family. They are fully pin- to-pin, software and feature compatible with the STM32F2xx devices, allowing the user to try different memory densities, peripherals, and performances (FPU, higher frequency) for a greater degree of freedom during the development cycle. The STM32F405xx and STM32F407xx devices maintain a close compatibility with the whole STM32F10xxx family. All functional pins are pin-to-pin compatible. The STM32F405xx and STM32F407xx, however, are not drop-in replacements for the STM32F10xxx devices: the two families do not have the same power scheme, and so their power pins are different. Nonetheless, transition from the STM32F10xxx to the STM32F40x family remains simple as only a few pins are impacted. Figure 1, Figure 2, Figure 3, and Figure 4 give compatible board designs between the STM32F40x, STM32F2xxx, and STM32F10xxx families. Figure 1. Compatible board design between STM32F2xx and STM32F4xx: LQFP176 1. By default, PDR_ON (pin 171) should be connected to VDD. 2. Pin 171 is RFU for STM32F2xx. Ω |
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