STM32 MCUs Products

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SPI 1 line simplex rxonly

Hello, How to read data from slave in 1 line rxonly. I have this set up STM3f446re board as master and arduino uno as slaveMaster and slave are connected through only 2 lines. MISO and NSS. Master will be in rxonly mode and slave sends data to master...

n.serina by Associate III
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  • 3 replies
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wakeup from stop2 nucleo 144

Posted on June 23, 2018 at 12:13Hi,I'm trying to use the example code from cubeV.10           PWR-?PWR_STOP2_RTC.The only code I added was after the  SYSCLKConfig_STOP() function I added Init for LED 2 and turning it ON till the 5 sec delay then OFF...

STM32L010,in STOP mode 16 uA instead of <1uA

Hi,asking help for a behaviour that i was not able to find in previous discussions.i'm using for the first time this value line microcontroller :STM32L010K4T6 ,other production details printed on case are GQ20T VG CHN74815.I im using it on an empty P...

how booting from bank 2 stm of 32l475?

HelloI would like to boot my bank 1 or bank 2 card by activating / deactivating the BFB2.I created a program to flash an LED, I put the code in bank 1 at address 0x08000000 by flashing the LED at a certain frequency and then I put the same code but c...

Bfren.9 by Associate II
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How create master/slave timer ?

Hello all,I work with the board stm32F746G discoI try to create a master/slave timer. I use the timer3 to master and timer2 in slave.I would like count every second with timer3 and for each trigger on timer3 i would like launch timer2 for a delay of ...

lidiriel by Associate II
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  • 6 replies
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Resolved! STM32L4 registers not being read during debugging

Hello,I am using an STM32L4R5VIT6 board in which I am programming it with Atollic TrueSTUDIO using the debugger and Jlink connectiong. When I am running the debugger, it suddenly stopped working for me and the console reads:Connecting to J-Link...  J...

BRoge by Associate II
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  • 1 replies
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STM32 DAC with DMA constant value

Posted on April 12, 2018 at 20:07Hi to all,I am encountering a problem, concerning the DAC of the stm32L476. I only want to use the DAC with a constant value but with DMA, so that I can use the CPU during that operation. Without DMA the DAC works as...

Bench by Associate III
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  • 9 replies
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STM32H743XI HDMI connections

I am planning to implement STM32H743XI on my new design. And I am using the help of schematic provided for the eval board for the connection. I want to implement HDMI on my design too but the neither the schematic or the datasheet has the informatio...

BBV by Associate II
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STM32L0x1. RAM in low-power sleep mode.

STM32L0x1 reference manual says "the memory interface clock is stopped and the RAM is in power-down when in Low-power sleep mode" (DocID025942 Rev 8 p 145). Several pages below it says "In Low-power sleep mode, the Flash memory can be switched off an...