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Problem about keil-mdk connect STM32F405,but keil noticed''unknow target connect''

782435875
Associate

‎2013-08-22 03:05 AM

Posted on August 22, 2013 at 12:05

I have chose the STM32F405RG and the st-link debugger.

The program is used for STM32F407-DISCOVERY at first.It can work at the STM32F407-DICOVERY,but after I changed the device and other options.

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2 REPLIES 2
Tesla DeLorean
Guru

‎2013-08-22 04:13 AM

Posted on August 22, 2013 at 13:13

Make sure to use ''SWD'' mode.

See if adapter is visible as ''ST Link (Deprecated)'' if it has older firmware. For problems with software on the board, reset with BOOT0 = High
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782435875
Associate

‎2013-08-22 10:39 PM

Posted on August 23, 2013 at 07:39

I was use the ''JTAG'' mode,and I'm sure that I have connected right in the light of the datasheet.

But both BOOT0 and BOOT1 connect nothing.May it is wrong here?

One more question,when I use I2C,the voltage is up to 5V.

And it have been connected to the pin-29 and pin-30.May I do like this?

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