STM32H745xi enter standby mode after power on 3 seconds
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‎2023-10-17 02:36 AM
I use STM32H745xi discovery board. When i do some test, i download code that Cortex-m7 will enter standby mode after power on 3 seconds. And i set wrong wakeup pin(wakeup pin 1¬ config PA0, it should be wakeu4). After power off and power on, i find that it can't recognize the mcu through ST-LINK though i try RST pin. I dont understand why RST pin not work.
Pls help to save the board,thx.
code:
MX_GPIO_Init();
HAL_Delay(3000);
HAL_PWR_EnableWakeUpPin(PWR_WAKEUP_PIN1);
while (1)
{
HAL_PWR_EnterSTANDBYMode();
HAL_GPIO_TogglePin(GPIOJ,4);
HAL_Delay(500);
}
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‎2023-10-18 01:03 AM
I change boot0 from 0 to 1. And download correct code. Then change boot0 from 0 to 1, the problem is solved
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‎2023-10-17 03:24 AM
Welcome @Jerry3 to ST Community,
Try connecting "under reset" with STM32CubeProgrammer
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‎2023-10-17 06:43 PM
Hi Sarrs,
It seems not work. I press RST pin and connect with STM32CubeProgrammer through ST-LINK
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‎2023-10-18 01:03 AM
I change boot0 from 0 to 1. And download correct code. Then change boot0 from 0 to 1, the problem is solved