why does the microcontroller lose the program when power is off?
How can I avoid this?
Forum Posts
Resolved! STM32F334 Tim3 Prescaler
Dear all,I am in difficulty to adjust Timer 3. Let me explain with examples:Internal Clock is 72 MHz and it is used for also Timer 3 as an input clock.1- When PSC: 36 and ARR: 124 it should generate an interrupt every 62,5 us (we can assume it genera...
Applying voltage to output pins
Hi people.I have a circuit which must enables an LDO by pressing a button which applies 4.2~3.7V to EN pin of regulator. after enabling LDO, MCU (which is from F0 series) powers on and takes control of LDO EN pin by applying a HIGH output on EN pin w...
STM32L0 Comparator interrupt.
Hello!I am trying to generate COMP2 interrupt on the rising edge on Input[+] of COMP2.Input[-] is conected to ground and Input[+] is connected to pull down resistor.What is strange that interrupt is generated only when Input[+] is connected to ground...
STM32F446RE Mongoose
How to setup mongoose with STM32F446RE ?In mongoose browser window STM32F446RE not available.How to start program using mongoose for STM32F446REbelow i'm added mongoose board available on browser window
simple spi on F103 have little problem
hi i use two spi and connect together spi 1 send(Full D Master) and 2 receive(Full D slave ) all in dmaif i change send buffer, in receive first array not change. it was first init that send dma uint8_t TXBuf[]={0,1,2,3,4,5,6,7,8,9}; uint8_t RXBuf[10...
What is the response for STM32H7 DFSDM in FastSinc mode?
The STM32H7 reference manual revision 6 gives the FastSinc response as:However this seems to make no sense. The first part is a normal sinc^2 filter, but the second part describes an impulse + delayed impulse, which results in a quite strange frequen...
Hard fault issue while transmitting data on UART
Hi All,I config UART on interrupt, after receving data on UART simple sending data at that time hard fault occur.UART enabling code MX_GPIO_Init(); MX_DMA_Init(); MX_USART2_UART_Init(); MX_RTC_Init(); MX_SPI3_Init(); MX_TIM2_Init(); MX_TI...
Hi , I have a stm32 Nucleo L073rz custom board, have tested the usb memory device example ,it is working fine and getting detected in the pc .
Can i transfer files from my pc to stm board memory using this config of usb memory device , else i should configure it as a host please let me know this. thanks in advance.
