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Gregory Holcomb
Associate II
since ‎2018-07-19
‎2023-06-14

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STM32F031 SPI NSS in slave mode to frame beginning and end of a transfer

2020-02-14
I am using a STM32F031 as a SPI slave device in close proximity to some motors that can cause some noise. I believe what happens is occasionally the STM interprets noise as a SPI clock which shifts my data one or more bits off. In the event I have ...

STM32F031 low voltage reset - bootloader boot0 pin

2017-09-08
Posted on September 09, 2017 at 00:02I have two micros communicating over SPI bus, one is a STM32F031 running application code.  I can interrogate the STM32F031 for its firmware version and if it is not the correct version I power off its 3.3 volts,...

STM32F031 uart bootloader write command

2017-07-13
Posted on July 13, 2017 at 18:00I am using a STM32F031 micro and app note AN3155, using the built in UART bootloader on serial pins A9 and A10.  I wish to write sixteen bytes of zeros to an address near the start of flash, 0x08000010.  Referencing p...

STM32F031 uart bootloader signal levels

2017-06-30
Posted on June 30, 2017 at 20:20I have a design where another micro is connected to the STM32F031 UART pins and I am attempting to enter the rom bootloader.  I referenced AN3155 for details on how the bootloader works, however, there is no definitio...
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