The new STM32H7R/S lines are built on the success of the STM32H7 series, offering even higher performance and security at a lower cost. The STM32H7R/S is a bootflash-based MCU powered by a Cortex®-M7 core running up to 600 MHz, with 64 KB of user fla...
Posted on May 30, 2015 at 00:11 Hi, I'm using I2CSTM32F207ZET6. It usually works well, and we can usually read and write with no problems. However, there is a consistent error that pops up where, if we are reading a number of bytes sequen...
Posted on May 29, 2015 at 21:23HelloAccording to UM1472(stm32f4discovery manual) there are 0 and 220 ohm resistors placed in crystal path to pin, why?Thanks.
Posted on May 29, 2015 at 17:43HelloHow to choose proper capacitors for a specific crystal(e.g. 8MHz)?Thanks.
Posted on May 29, 2015 at 07:17System Clock Configuration tool is doing a great job to generate init code for STM32F405RG however it does not support external clock oscillator which is fed into OSC_IN (pin 5) only. (meaning Osc not Crystal).I suspec...
Posted on May 20, 2015 at 22:51Dear community,I want to send some data via UART directly to DMA without interruption. To solve this problem I use a custom FIFO stack from which the DMA feeds itself using its DMA interrupt-routine.The stack is filled...
Posted on October 05, 2013 at 22:03Hi;I am working on the Custom HID application which is in the St library and I use STM3210E-EVAL. But this protocol transfer only 2 bytes (1 Byte Id + 1 Byte Data) so I modified the code and I transferred the 64 b...
Posted on May 29, 2015 at 17:20Hi,I would like assistance in determining why I cannot properly use the USART_ReceiveData() function with my SMT32F103RE. I have been using Tera Term with a SparkFun FT232R usb to serial breakout board. Printing to Ter...
Posted on May 29, 2015 at 16:53Hello guys,I would like to ask you a little question:how to generate a square wave (0-3V) by STM32F401xC microcontroller?I use IAR Embedded Workbench, if you need this information.Thanks!
Posted on May 29, 2015 at 11:45STM32L051xx: I am using the interrupt mode for UART2 Rx. Normally the interrupt is enabled at the beginning, so that Rx interrupt could be triggered once a new byte is received.However sometimes in the program I need t...
Posted on May 29, 2015 at 14:49HelloWhat is the delay between interrupt occurance(e.g. external interrupt on a pin) and interrupt service routine entry?by some initial measurements, it's about 30 cpu clocks.Is it interrupt type(external pin, specifi...