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ecos for STM32F4-discovery problem



Dear all,

? ?I have a board named STM32F4-Discovery(STM32F407VGT6) which is similar as the STM3240G-EVAL(STM32F407IGH6)?board,

I use the redboot setting for the EVAL board,use the ROMINT start-up,?

then download the redboot.bin into flash start from 0x08000000, but the UART4(pc10-TX,pc11-RX) have nothing output,

can anyone give me some help,thanks.

BTW, I change the clock setting from 25MHz to 8MHz,because the discovery board use 8MHz.

thanks.

-----------------
tangw


 		 	   		  

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