STM32 MCUs Embedded software

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Secondary boot loader + internal boot loader

Hello,I am considering to develop a small secondary boot loader for STM32F030xx.My idea is this BL checks the CRC of the application image and jumps to it if CRC matches. A second fallback image would be jumped to should the primary one be invalid (e...

ECost by Associate II
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Resolved! NOR flash and Ethernet interfere each other in MPU ?

Hello,I have some strange behaviour:After adding external flash configuration to my application, the Ethernet stopped working (no ping).I validated that the following added code is responsible for this failure, but I don't understand why these config...

ranran by Senior II
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Resolved! How to configure ADC+DMA to have 3 conversions and get DMA interrupt when all 3 conversions are complete and converted values are available in predefined buffer of size 3?

I am using STM32F756 Eval board and trying ADC+DMA example.Example, is about one ADC conversion and the data is stored in variable using DMA.I am looking out for changes to be done in the configuration such that,After I start ADC conversion, I must ...

jagdish2 by Associate II
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STM32L4 USB VCP driver problem

Hi   i'm using STM32L452RE controller ,i'm try to connect(through VCP ) USB (device ) with our own windows application that time it showing error like USB driver it not 32 bit , but i'm installed virtual com port driver ver 1.5.1 only . i need .inf 3...

Resolved! STM32L4 - Connection of VddUSB Pin

After reading the data sheets, the Getting Started document and others, I need some clarification on connectivity of the VddUSB pin. On page 12 of AN4555, it states:"The USB transceivers are supplied from a separate VDDUSB power supply pin. VDDUSB ra...