About hkoc_poelsan

hkoc_poelsan · 2025-01-18

Hello,I am developing with an L4 series MCU.If there is a program in the MCU and the read protection flag is not active (Level 0), when I load a program that activates the read protection flag (Level 1), there is no problem if I cut the power from th...

hkoc_poelsan · 2025-01-20

Hi Frantz, "So in case of power lost or spurious reset during option byte programming"I am sure that I didn't experience any power loss during the option byte programming, I will explain below how the problem occurred.I program option byte from embed...

hkoc_poelsan · 2024-04-29

Yeah I reduced the baudrate as 57600. And it is solved.LPUART wake-up time is 8.5uS and receiption time of 1 bit is 8.68uS for 115200 baudrate.But I don't know that it is must or not. Maybe my wake-up time is delayed for some reason.

hkoc_poelsan · 2024-04-29

I have the same issue for STM32L4 series on stop mode 2.The baudrate is 115200. If I reduce the baudrate, is it a solution?

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RDP level is 0xFF after power-down from programmer pins on PCB

Re: RDP level is 0xFF after power-down from programmer pins on PCB

Re: Waking up from STOP mode using UART

Re: Waking up from STOP mode using UART