Posted on June 13, 2017 at 01:36Hello.I have a question about RTC BATTERY BACK UP.I am using RTC. And an external battery.When the power is ON / OFF, the RTC TIME backup function works well.However, RTC_DATE is not backed up.How to solve the problem...

Posted on June 08, 2017 at 15:19I Have a problem using sdio(1bit) and UART4.UART4 TX does not work when SDIO is INIT.If SDIO is not INIT, UART4 TX work.Please tell me how to fix it.CUBE setting are shown below.  MX_GPIO_Init();  MX_DMA_Init();  MX_A...