About Kevin Bain

Kevin Bain · 2017-10-30

Posted on October 31, 2017 at 04:53Hi, I am using an STM32L053xx in StandBy mode for 500ms and Run mode for 2ms. I have noticed in StandBy my PCB draws about 120u amps more after the SW-DB has been connected.To correct this I need to disconnect the...

Kevin Bain · 2017-09-26

Posted on September 27, 2017 at 05:09Hi, I have a small custom board using an STM32L0xxx.The RTC is running as expected in run mode.When I enter Standby mode the RTC appears to stop.The MCU is in standby most of the time, it wakes up for about 2 to ...

Kevin Bain · 2017-06-18

Posted on June 19, 2017 at 07:43I am using a custom STM32L051xxx, I want to change these two programing ports to PP outputs.I think I need to DeInit them then apply the normal Init procedure, I cand see how to DeInit these ports.ThanksKevin NZ

Kevin Bain · 2017-11-13

Posted on November 14, 2017 at 02:30I have found the problem and yes it's a software fix. I added: // Hard reset or from standbyvolatile uint8_t harderest = ((RCC->CSR & RCC_CSR_PORRSTF) == RCC_CSR_PORRSTF) || ((RCC->CSR & RCC_CSR_PINRSTF) ...

Kevin Bain · 2017-06-19

Posted on June 20, 2017 at 04:15Thanks for that Zhitai, all working.

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STM32L0 How do i disconnect the SW-DB once connected

My STM32L0 RTC stops in standby mode

PA13 and PA14 how do i make these GPIO outputs

Re: STM32L0 How do i disconnect the SW-DB once connected

Re: PA13 and PA14 how do i make these GPIO outputs