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kylepennington
Associate III
since ‎2018-07-19
‎2023-06-14

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CubeMX 32-bit SDRAM with STM32F469IIT

2017-07-31
Posted on July 31, 2017 at 23:37I'm using CubeMX with the STM32F469IIT and trying to select 32-bit wide SDRAM using the FMC but the options only show 8 or 16-bit.Is this correct? I can't see anything in the reference manual about the LQFP176 not bei...

How do you set a registry value of an external USB phy with ULPI?

2017-01-22
Posted on January 23, 2017 at 03:53I am using the FUSB2805 HS USB phy with the STM32469. The usb interface seems to be working alright. Sometimes the phy gets into a weird state after restarting the micro but not the phy. I would like to perform a s...

Micro only starts with debugger or nRST manually pulled low

2016-12-11
Posted on December 12, 2016 at 00:44I am using the STM32F469 on three devices. One device works fine and starts normally after the power is applied. The other two only start operating after the nRST pin is briefing pulled low. There is 3.3V on nRST ...

Restarting UART DMA using HAL

2016-10-09
Posted on October 09, 2016 at 23:26What is the best way to restart a DMA servicing a UART using the HAL drivers?On the first iteration the DMA works correctly; transfers new data and fires interrupt.On second iteration, the DMA transfers only one ne...

STM32F469 with external PHY for USB HS

2016-09-15
Posted on September 16, 2016 at 05:57I have a STM32F469IIT6 on a custom board attached to an external phy (FUSB2805MLX). I am using a 26MHz crystal on the micro and driving the 26MHz PHY with MCO2. I have built the Cube code with only the USB HS and...
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