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MB1314B AMOLED board schematic

Hello, We are developing a watch-like wearable device with LCD. STM32L4R-Discovery board is a nice reference design for STM32L4R+AMOLED development. It would be also nice to have a schematic for the adapter board MB1314B, which the AMOLED is attached...

Resolved! Trim clock from pulse-per-second GPS signal?

Using STM32F030 / F042. I have a GPS receiver onboard which produces a very accurate pulse-per-second signal (~40ns). I want to use this timing source to keep the system clock, or at least the RTC accurate. The user may wander in and out of GPS recep...

AKrup by • Associate II
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Resolved! CAN filtering

How does one define the filter for a CAN A message, when the ID is only 11 bits?If using 16-bit filter, what should be put to the EXTID[17:15]?

Question about mixing HAL and LL library for UART

Hi,I try to use both HAL and LL library for UART. When I config UART with cubeMX for LL library, I found all functions with HAL library in my code doesn't work. when I say it doesn't work, I mean the code passed compiling but doesn't do anything. Th...

jeffz by • Associate II
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ETH on NUCLEO STM32H743 is not working

Hi,My Question is related to the PHY LAN8742 mounted on that board. GPIO Configuration for this part is OK, but obvioulsly the 25Mhc clock generator is not working, and i guess this is the reasonfor no response from the PHY. I expect a 25Mhc signal...

Hello, We have a design whereby one of the STM32 RX inputs is driven hi by an external unit before the STM32 is powered up. This somehow prevents the STM32 from booting when power is applied to the STM32. Can someone shed any light on this please?

Hello, We have a design whereby one of the STM32 RX inputs is driven hi by an external unit before the STM32 is powered up. This somehow prevents the STM32 from booting when power is applied to the STM32. We can manually reset the STM32 after that an...

JBarr.7 by • Associate II
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Resolved! How to print float value with printf in TrueStudio ?

Posted on June 25, 2018 at 07:11Hi All, I'd like to print float value with printf.when I tried, printf showed blank for float value.would you please let me know how to set TrueStudio for printing float value with printf ?I'm using STM32F103RF.Thanks...

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