STM32G4 COMP1 Always triggered
Hi， I'm using comp1 of stm32g474rbt6 and setting 70mV hysteresis.when a DC signal input PB1,the output always shake。But comp4 do not like this.
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UART DMA TX RS485
Hi there!I hope some one can help me. I use one STM32G031F4P6 for one my project, and i use the serial port with one RS485 ic, My problem is that i don't have any problem to receive the data from PC to micro controller the problem is the opposit re...
STM32F401CCU PCM5102A Sample Rate deviation
Hi All, I'm using an STM32F401CCU with a TI PCM5102A DAC. I've set up a simple DMA (code attached) and a naïve square wave function. My issue is that the generated square wave is at the 'wrong' frequency. In the code I am generating a 440 hz (or mult...
Resolved! NUCLEO-L073RZ; Reach lowest power consumption in STOP MODE w/ RTC
#include "main.h" /* Private includes ----------------------------------------------------------*/ /* USER CODE BEGIN Includes */ /* USER CODE END Includes */ /* Private typedef -----------------------------------------------------------*/ /* U...
I see some STM32s in stock
Digikey has some STM32 CPUs in stock, lets see how long that stock will last.
Resolved! Bug at the beginning of waveform (DMA transfer)
Hi I'm trying to generate a signal with 100 ns time on and 100 ns time off thanks to DMA transfer. My problem is that I have a peak of tension before and I don't know what is it (F446RE)Here is my code:int main (void) { /*Clock and Power initial...
Resolved! the document about Nucleo-L4R5ZI
I bought Nucleo-L4R5ZI.I can't find any document with HW information such as memory map, registers, etc. for Nucleo-L4R5ZI.I could find a document with HW layout and other information.Where can I find a document that contains HW information such as...
Resolved! hi how to implement fifo with usart in stm32f0308
Iam new to stm32 microcontrollers, i have to read uart continuously and store to array. and size of the data received from uart is variable. if i use the fifo with uart i can solve problem.so please help me how program to receive data from uart in fi...
Resolved! WRP swapped banks, Ref Manual clarification
The reference manual (RM0440 Rev 7) has a point about WRP on page 125 regarding if the two banks are swapped. Why do the WRP2A_STRT and WRP2A_END registers have two different sets of values? It looks like one set is for Single Bank mode and the oth...
