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srdjan
Associate II
since ‎2018-07-19
‎2023-06-14

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  • 36 Posts
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User Activity

STM32F401RBT6 128KB Flash or 256KB

2017-01-13
Posted on January 13, 2017 at 13:50Hello,I have a funny question. I have STM32F401RBT6 and my firmware is ~140KB in size. I can download it without any issues, but the datasheet for this chip says that it should have only 128KB of Flash?Also when I ...

How to clear HAL_BUSY situation for I2C

2016-12-22
Posted on December 22, 2016 at 14:36Hello,On my board I have 2 STM32 processors which communicate to each other over I2C. One is always a master and the other one is slave.The slave prepares some data, and then I do:   HAL_I2C_Slave_Receive_ITand wa...

USB double buffered endpoint question

2016-07-14
Posted on July 14, 2016 at 14:56Hello, I have a CDC working with a double buffered endpoint. Everything seems fine, but I was wondering about the following situation. When I transfer a block of data, and the last piece is <64 bytes, shouldn't the t...

STM32L0 USB slow after second cable replug

2016-06-10
Posted on June 10, 2016 at 12:43I have a curious problem on my STM32L151. I have the USB running in double buffering mode, and I can get a transfer rate of ~10MBit/sec. But after I unplug the USB cable, and plug it back, the transfer rate drops to ~...

MSI calibration and MSICAL register

2016-05-27
Posted on May 27, 2016 at 15:16Hello, I'm calibrating my MSI clock when I'm switching frequencies, and I noticed that whenever I write a value to MSITRIM register, MSICAL automatically changes value too. The reference maual states that this is a rea...
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