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

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Get DMA count

2017-05-29
Posted on May 29, 2017 at 17:55Hi all,I'm using USART with DMA to implement a Modbus rtu slave node.I want to implement this:- the USART use DMA to store received characters in a buffer- a contdown-timer count the time between character to recognise...

Input resistors on 5V-tolerant I/O

2016-02-25
Posted on February 25, 2016 at 16:07Hi, I'm quite confused about 5V-tolerant input pins of STM32F405. Referring to the manual, the picture ''Basic structure of a five-volt tolerant I/O port bit'' shows diodes that protect the port. In this configura...

Isolation of USB port

2015-12-02
Posted on December 02, 2015 at 12:08Hi, I'm using a STM32F4 device and I want to have a VCP on the USB Full speed port. I'm trying to understand how to isolate it, because the device I'm designing is for industrial purposes. I found many solution th...
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