STM32 MCUs Products

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STM32G474CE flash errasing after power on

Hi, I save my configuration structure to flash memory. It work. Data is stored in flash. But after unplug ang plug power memory page is writen by 0xFF.int eepromSaveConfig() { uint32_t error; uint64_t *configPtr; uint32_t address; FLASH_EraseInitType...

MKles by Associate II
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STM32F215 - do I need pullups/pulldowns on every pin?

Sectin 6.3.1 of the reference manual says "During and just after reset, the alternate functions are not active and the I/O ports are configured in input floating mode." Floating inputs are bad. Our code will configure all pins appropriately immedia...

JKasu.1 by Associate
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  • 3 replies
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STM32H7 FPU exception management

Hello,I'm doing some tests on the STM32H743 FPU (on a Nucleo, from Keil v5 IDE).I've checked that the FPU is enabled (register CPACR) and I've written a basic division by 0 test .volatile double test = 0; test = 1.0 / test;I checked the assembly code...

Gpeti by Senior II
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Power consumption in standby mode STM32H742VIH

I have problems with power consumption. In standby power consumption seems to we be way over the documented ~1,97 uA. Current codes gives consumption around 300 uA. Is there something more that needs to be taken into account when putting the CPU to s...

teijo by Associate II
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  • 2 replies
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STM32G431 OPAMP in PGA mode: noisy output?

Hi all,​I'm using STM32G431, the opamp1 and opamp2 are set as follows:the generated codes: hopamp1.Instance = OPAMP1; hopamp1.Init.PowerMode = OPAMP_POWERMODE_NORMAL; hopamp1.Init.Mode = OPAMP_PGA_MODE; hopamp1.Init.NonInvertingInput = OPAMP_N...

0693W000001cRp6QAE.png 0693W000001cRuaQAE.png
Jhon by Associate II
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  • 1 replies
  • 0 kudos