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flash data retention,flash lifetime

 Question the flash memory data retention is typically 30 years at 85℃ after cycling 1000 times(refer to the STM32 product datasheet for more information),and 15 years at 105℃ after cycling 1000 times,how did they get this result?Past experience?Ther...

aria by Associate II
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  • 3 replies
  • 1 kudos

Resolved! STM32F405RGT6 Device Marking

Hi, I have the part STM32F405RGT6 with date code:2318 (does not have the ARM marking) and date code: 2440 (with the ARM marking) on the package body. Both coo: ChinaMay i know if anyone can advice or any PCN that support on this body marking changes,...

STM32F405RGT6.JPG
Easl1982 by Associate
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  • 4 replies
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About PWR activation when setting clock

 void SystemClock_Config(void) { LL_FLASH_SetLatency(LL_FLASH_LATENCY_4); while(LL_FLASH_GetLatency() != LL_FLASH_LATENCY_4); #if 1 LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_PWR); #endif LL_PWR_SetRegulVoltageScaling(LL_PWR_REGU_VOLTAGE_SC...

treeset by Associate II
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  • 2 replies
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Resolved! TSC Advice please

Hi, I am working on an IR remote using STM32L412RBT6P. I have the touch sensing system working to provide the buttons for the user. The user touches a button to send an IR (RC5) code and an LED flashes to let you know it happened. Q1:I have one touch...

Lanceh by Associate III
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  • 2 replies
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stm32h7 uart IDLE

Hi,MCU - STM32h743I have a use case where I need to receive a large chunk of data on UART, and the RX data length is unknown. I have read ST articles about how to do this using the IDLE feature with circular DMA (HAL_UARTEx_ReceiveToIdle_DMA). Howeve...

Daan1 by Associate II
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  • 5 replies
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Resolved! STM32F7 RS485 DE Enable Not working

Hi I have been trying to configure the RS485 and trying to enable DE line. Though I have configured the DE line correctly, but still when HAL_UART_Transmit() is called, it just stays low and never get enabled for D to tranmit the data to the destinat...

DESTM32 by Associate II
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  • 5 replies
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Resolved! Has STM32G0b0K system DFU bootloader or not?

STM32G0B0 datasheet DS13565 Rev 3 in Chapter 3.6 Boot modes tells: "• USB on pins PA11/PA12 (except for STM32G0B0KE)" This reads like DFU system bootloader is not available. However AN2606 Rev 64 has no restrictions for DFU bootloader on STM32G0B0. I...