Forum Posts
Resolved! STM32 USB battery charging detection / USB Type-C compatibility
Posted on March 31, 2016 at 16:00Dear all,I would like to know if the USB battery charging detector implemented in the STM32 line works properly with USB Type-C connectors that only use USB 2.0 lines.Thank you in advance. #compatibility #bcd #typ...
For UCPDx controller, I want to configure a sink for 15V/3A(45W) use STM32G0B1RCT6. What's the meaning of UCPD number for 'GP' version LQFP64 package?
Hello, I find there are a note for 'GP' version LQFP64 package.In blank of UCPD, which has the number "1" .The note is: One port with only one CC Line available(supporting limited number of use cases).Is that mean only one UCPD controller( UCPD1 or U...
Disable VBUS_VS_DISCH pin on STUSB4500
We use the STUSB4500 in our design to negotiate with the Host the correct current. In our design we have no connection on the VBUS_VS_DISCH pin. Because of this issue, the PD-Chip does not start negotiation. Is there any way to disable the VBUS_VS_DI...
Resolved! How to connect the CC Pin when make USB type C compatible to USB2.0
Hi every body, current we have a problem when make compatible between USB2.0 and type C on our devices.We don't want full type C's feature yet. We just wanted our firmware to be compatible with type C cable on some laptop which have only type C conne...
Usbx Azure rtos not working
Hello,I am working on Nucleo-h745ziq board. I initialize the azure-rtos h7 package, enable the Usbx and thread parameter .According the project that given in cubemx of Ux_Device__CDC_ACM accordingly I initialize the parameter only difference is that ...
Resolved! Clock cross-reference measurement fails in CLASSB package for STM32H7 MCU
Hi,I have integrated the CLASSB package to my application software. The HAL drivers are bypassed and custom drivers are used.In the safety checks, all the tests are passed except the Clock cross-reference check.Note: I am using default HSI clock for ...
Hardware design of USB in bus-powered app.
Hi,Please note my hardware design background is weak. I'm confused between the design in AN4879 and the schematics of STM32H7xxx-Disco, as shown below. Your help is much appreciated.
Resolved! Dynamically set PDO with G0 and ucpd - charge through dongle
The background is I am trying to build a pass through or charge through dongle like application. Using a G0 with 2 UCPD ports, port 0 as sink, and port 1 as DRP, using the respective TCPP chipsMy goal is to have the input port 0, get the available PD...
Bug STM32F429ZI ETH PTP Receive Timestamp
STM32Cube FW_F4 V1.27.1HAL ETH PTPfilestm32f4xx_hal_eth.cfunction HAL_StatusTypeDef HAL_ETH_ReadData(ETH_HandleTypeDef *heth, void **pAppBuff)line 1115, 1117 /* Get timestamp high */ heth->RxDescList.TimeStamp.TimeStampHigh = dmarxdesc->DESC6; ...
