STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...
Posted on April 14, 2015 at 23:01I've made several custom STM32F4 boards.Never any problems, until now, when my JLINK detects my board ONLY, if I press reset button before I press detect device in Keil uVision.When I press download button I got erro...
Posted on April 14, 2015 at 19:40Hi I've got some problems getting this to run. In RM0090 register description starts with CR1 (offset 0x4). Within the Hal files I found a reference to the gcr (offset 0x0) register. However, I can't find any info fo...
Posted on April 14, 2015 at 16:51How can I disable RTC 512Hz signal and return PC13 as I/O ??I programed the PC13 as ''GPIO_AF_RTC_50Hz'' to calibrate the 512Hz signal of internal RTC, but now I cant disable it to use PC13 as I/O, The STM32F205 doe...
Posted on April 14, 2015 at 17:03How can I disable RTC 512Hz signal and return PC13 as I/O ??I programed the PC13 as ''GPIO_AF_RTC_50Hz'' to calibrate the 512Hz signal of internal RTC, but now I cant disable it to use PC13 as I/O, The STM32F205 doe...
Posted on April 14, 2015 at 15:14What is an AZB chip revision? It appears to be a package option. Micro explorer for example shows standard package and AZB package. I am not satisfied with how the port multiplexing was chosen, however it maintains c...
Posted on April 13, 2015 at 16:36Hi,i have a problem with a device that use a STM32F405.Occasionally, after a power off/ power on cycle, the flash (SECTOR 0) are write to zero for the first 48bytes.In the application firmware, there is no procedure...
Posted on April 13, 2015 at 09:08We are experiencing a very annoying issue... we have a portable application, STM32L151, DVdd=3.0 regulated via an LDO, lithium battery. Randomly, the MCU freeze and the nRST does... nothing! We need a full power cycl...
Posted on April 10, 2015 at 20:09 The original post was too long to process during our migration. Please click on the attachment to read the original post.
Posted on April 14, 2015 at 04:51I am developing a HID USB with STM32F107, and iam currently using STM32_USB-FS-Device_Lib_V4.0.0. 1. My problem is that i dont understand clearly about USB_DISCONNECT feature in this MCU.2. I see in the library, ST d...
Posted on April 12, 2015 at 05:04Hi, I am trying to use UART5 on the STM32F103, 100 pin device. As per documents Tx and Rx pins are PC12 and PD2 respectively. I enabled clocks, initialized the port and when I try send a character (code below) U...
