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Lvan .4
Associate II
since ‎2021-11-25
‎2023-06-14

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  • 9 Posts
  • 1 Solutions
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User Activity

How to put the STM32WB55 in STOP2 mode

2023-04-03
Hello,The STM32WB55 on our custom board doesn't ever go into stop2 mode. Our application needs to activate BLE and advertise for a fixed time at startup, so that the system can be configured and started. After this period BLE is no longer needed, so ...

Is it possible to setup a USB-C only power connection (fixed CC resistors) while having the USBPD lib active?

2022-12-15
I have set up the USBPD lib on my system to manage USB power delivery messages and set up power contracts in both the source and sink directions. Now that this seems to work well, I also want the system to work with a USB-C only power source (non-PD)...

Why do I not receive a USBPD_NOTIFY_SRCCAP_SENT notification?

2022-11-10
I am trying to set up a sourcing power delivery port on an STM32G0 system. I have set up switching of VBUS, and when I connect up a sinking device my system detects it, sets up VBUS and starts sending source capacity messages.Log:<Connect source to p...

How to force a DRP usb PD3 port to source mode?

2022-11-09
Hi, I am implementing a system with two DRP ports using an stm32g0 runnig a full USBPD stack. One of the ports is connected to a powerbank (usb pd v2). The other is connected to either a charger, which is used to power the system and charge the power...

How to troubleshoot corrupted read/writes to SDRAM on STMH753 MCU?

2021-11-25
I am attempting to interface my STM32H753 based system to a Micron MT48H32M16LFB4 512Mbit SDRAM chip through the FMC at 100MHz. The chip seems to work - but not completely according to my expectations. I have managed to write and read data to and fro...
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