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[bsp][update]stm32f103 bluepill 引脚接线图
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bsp/stm32/stm32f103-blue-pill/README.md

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- Peripherals
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- LED:PC13
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- LED:PB2
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- Debug IO interface type: ST-LINK V2 (SWD)
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![board](figures/Bluepill_pinout.png)
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![board](figures/Bluepill_pinout_v2.png)
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bsp/stm32/stm32f103-blue-pill/README_zh.md

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@@ -22,15 +22,15 @@ STM32F103C8T6最小系统,采用SWD调试接口,可以用3个接口就能完
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开发板外观如下图所示:
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![board](figures/Bluepill_pinout.png)
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![Bluepill_pinout v2](figures\Bluepill_pinout_v2.png)
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该开发板常用 **板载资源** 如下:
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- MCU:STM32F103C8T6,主频 72MHz,64KB FLASH(实际可烧录128KB) ,20KB RAM
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- 外部 RAM:无
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- 外部 FLASH:无
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- 常用外设
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- LED:1个 PC13
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- LED:1个 PB2
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- 常用接口:无
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- 调试接口:SWD调试接口
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