STM32 MCUs Products

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Resolved! QSPI stm32f446 w25q128

Posted on April 22, 2017 at 06:43 Hello. I use a bunch of stm32f446 and w25q128. Connected QSPI. Data is only read is single line mode. If you use four lines mode, it does not work correctly. As an example I used from Open-7xx Quad SPI w25q128. Tell...

STM32F4 memory areas for DMA. Different?

Posted on September 28, 2017 at 00:51I'm probably missing something obvious, but I'd appreciate any clarification.Basically, I'm using a peripheral device that transmits data in 16K word blocks using DMA.   That works fine.  I'm taking the data and ...

STM32F3 ADC fully differential errata

Posted on September 30, 2017 at 01:06Having some trouble with a fully-differential signal driven directly into STM32F303 setup for differential mode.  There is an errata about common-mode voltage having to be within 10% of center which may or may no...

Resolved! STM32L051 Port PH1 Initialization Error

Posted on September 29, 2017 at 00:23I used STM32CubeMX to generate code for a STM32L051R8xx microcomputer.  All I/O ports initialize correctly except PH1.  If I delete the PH1 initialization code, the program executes correctly.  With the PH1 code ...

[OTG] Endpoint disable in 'F4 and 'L4

Posted on September 29, 2017 at 15:26This question is aimed at those in ST who are deeply familiar with the Synopsys OTG core in its various incarnations.The USB endpoint disable procedures as described in 'F4 and 'L4 RMs are very different; the 'F4...