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ray
Associate II
since ‎2018-07-20
‎2023-06-14

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Keil halt when compiling STM32H745I-DISCO demo.

2020-10-28
This is my first time to use dual core STM32. I try to compile STM32H745I-DISCO demo and project. Keil can pass the compilation of M7 core, but it halt when compiling M4 project in some stm32h7xx_hal_xx.c file. And I found the compiling speed is ver...

STM32L496 I2C1/3 cannot work on GPIOG port.

2018-04-08
Posted on April 08, 2018 at 09:13L496 port G includes two I2C- PG13/14 I2C1 and PG7/8 I2C3. But the two I2C cannot output and the oscilloscope does not display waveform.I2C1/I2C3 can work correctly if they are mapped to other ports. So I think the I...

Does STM32F103RCT support flash read protection?

2016-07-22
Posted on July 22, 2016 at 14:15Does STM32F103RCT support flash read protection? I cannot find any introduction on datasheet. Is it only available on XL density 103?103RCT is high-density flash device. In CUBE nucleo package, I can not find code abo...

app cannot execute after bootloader startup and jump to app address.

2016-04-25
Posted on April 25, 2016 at 15:21STM32f103 uses internal clock and run bootloader correctly. Bootloader can jump to 0x8008000 where app is in.  In keil debug, I can see the break point is in main() entrance . But it can not execute continuously. So ...

How to erase stm32f429 flash sector in dual bank mode?

2015-03-26
Posted on March 27, 2015 at 06:38429 has 1M flash and I divide it into two banks using dual bank mode. Each has 512MB.  I want to erase sector 15 (0x0808 C000 - 0x0808 FFFF) , but it fails. But if I use single bank mode and erase sector 8 (0x0808 0...
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