forked from xuos/xiuos
				
			1.Modify the README.md
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			@ -38,7 +38,7 @@
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| PB7  | I2C_SDA     |
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## **TTL_debug(uart1)   
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## **TTL_debug(uart1)**   
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| 引脚 | 作用      |  引脚序号   | TTL_debug  |
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| ---- | ----------|------------ |---------   |
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| PA9  | USART1_TX |    101      |USART1_RX   |
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			@ -59,14 +59,14 @@
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| PB11  | USART3_RX |    70       |UART0_TXD      |
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## **BT-HC08(uart4) 
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## **BT-HC08(uart4)** 
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| 引脚       | 作用     |  引脚序号   | BT-HC08  |
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| -----------| ---------|------------ |--------- |
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| PA0_WAKEUP | UART4_TX |    34       | RXD      |
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| PA1        | UART4_RX |    35       | TXD      |
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## **SD **
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## **SD**
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| 引脚 | 作用         | 引脚序号   | TF-01A   |
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| ---- | ---------    | --------   | ---------|
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