STM32 MCUs products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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RM410: Documentation mismatch

Posted on September 23, 2016 at 15:16To whom it may concern, RM0410 (DocID028270 Rev 2) for the STM32F76x tells on page 1484 in Table 258 about ''26 filter banks shared between CAN1 and CAN2'', while there are 28 registers and 28 banks in other devi...

STM32F769 CAN2

Posted on November 04, 2016 at 11:23Hi,why the CAN2 start bank is limited from 1 to 27 in chapter 40.9.4 CAN filter registers - CAN filter master register (CAN_FMR) of the reference manual RM0410? I tested it with 0, so that the very first bank is a...

sascha23 by Associate II
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STM32 (stm32f103c8t6) DMA performance vs bitbang

Posted on November 10, 2016 at 09:34I've implemented SDRAM access in stm32f103c8t6 using DMA.I notice that performance of the DMA when doing memory to peripheral transfer is quite a lot slower than I expected. The highest reliable clock I can run is...

kyrreaa by Associate III
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How can I find the PHY address of LAN8720

Posted on November 08, 2016 at 07:33Hi!I have STM32F4discovery and PHY device LAAN8720. I want to configure the register with address = 0b00000 of the LAN8720. When I set PHY address = 0b00000 and after write operation of data 0x2100 I did read oper...

STM32F415 I2C BTF and TXE

Posted on November 10, 2016 at 05:14I'm attempting to write an interrupt based driver for I2C using just the CMIS header and my wits. My understanding is that there is a data register and a shift register. For transmission SR1.TXE means the data reg...

kenny by Associate II
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What is minimun value of Vref in ADC Nucleo f767?

Posted on November 09, 2016 at 21:30How much I can put on Vref without lossing bit? I can read 8 bit without nise (12 bit is noisy) when the Vref is 3.3V. however, my sensor show maximum 12 (decimal). I wan to get more resolution. Therefore I want t...

mohsen by Associate II
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some questions about stm32f303cb usb module

Posted on November 09, 2016 at 18:50HelloI have some questions about stm32f303cb usb module:1- If the EP0 receive buffer is set to 1 bytes, how will received data be handled during setup packet reception (bmRequestType, bRequest,... totaling 8 bytes...

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