STM32F7 discovery SDRAM
Posted on November 07, 2015 at 15:11Hello, Why only 64Mbit are accessible on the board ? Why the board was not designed with 16bit-wide SDRAM ?
STM32 MCUs Products
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STM32F40x flash storage
Posted on December 07, 2015 at 15:33Hello there,I am using stm32f407vtg (1MB flash). Apart from user program, I need to store some additional data in the flash memory. I need 3 banks: 1kB, 16 kB and 64 kB. I just expirienced that I need to erase who...
MCU too hot!!
Posted on December 07, 2015 at 18:24Hi to all, I realized my first pcb using a STM32F030K6 MCU. The project is a very simple one, that is no external oscillator, only two leds and a usart interface.I can regularly download the program using ''flash ...
STM32Cube FatFS USB disk Problem
Posted on December 07, 2015 at 17:13Hi have a SRAM Disk working using FATFS and USB. I can read and write files to the disk from my processor (STM32f427zit) but the files do not get updated in windows explorer on the PC. If if unplug the USB and th...
Communicating with SIM900 over UART
Posted on December 04, 2015 at 12:47I'm using STM32F411RE board and trying to communicate with SIM900 over UART. I'm simply trying to send.I put some parts of my code and would appreciate your help. I think there's some configuration issue in UART p...
stm32l476 clearing pending bit via bit banding alias
Posted on December 07, 2015 at 09:27Hi All,Attempting to clear a pending bit in the EXTI_PR1 register via its bit banding alias clears another pending bit as well. When I try to clear the bit20 (RTC periodic alarm) after wakeup by writing 1 to its a...
Choice and design crystal for STM32F1xx?
Posted on December 06, 2015 at 13:35I have a few questionsforthe designand choiceof crystals 1. 32.768kHz. In datasheet is Recommended load capacitance max 15pF In AN2586 is ''To avoid exceeding the maximum value of CL1 and CL2 (15 pF) it is strongl...
Startup code variable initialization
Posted on December 06, 2015 at 11:57Hellousing MDK-ARM , I want from startup code change the initialization of global variable after warm reset (Pressing reset button) ... But I dont know where to look ?The idea is I want the variable keep its value...
Nucleo board unable to mount in mac
Posted on December 03, 2015 at 17:15Hi All I can see a drive is attach when i plugin nucleo to my mac. If i unplug it and plug it in again, no drive is mount. How to fix this?thanksfrom Peter
For the Chip STM32L151RBH6, how to make EEPROM writting doesn't halt MCU?
Posted on December 07, 2015 at 04:02For the Chip STM32L151RBH6, we have only 1 bank, EEPROM writting halt the MCU. I make a test program to repeatedly write EEPROM. Use the code like below to write EEPROM: *(__IO uint32_t *)addr = data; 100 times r...
