Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on November 09, 2015 at 23:54Running the demonstration project from STM32Cube and tried to load pictures from USB disk. Power does not turn on for USB HS port. Traced the problem to CPEN pin on USB3300. Anybody have a similar board, and does ...
Posted on November 02, 2015 at 05:02 Does the Discovery board use pull-up or pull-down resistors on the USB OTG? Schematic says it doesn't, the USB standard says it's required. Any guesses? Thanks...
Posted on November 10, 2015 at 11:26Hi.I am tying to connect my STM32F4 (or F1) with external ADC. Data from ADC can be received by SPI after ADC set ''ready'' flag.So the task for controller is to read by SPI 16 bit data on external event.The easie...
Posted on November 01, 2015 at 08:19Hello everyone,I am making PCB with STM32F103R8T6 but I have problem with SWD. I connect PCB with ST Link Mini via SWD SWCLK <--> PA14SWDIO <--> PA13RST <--> NRSTSWIM <--> PB3GND <--> VCC3V3 <--> VDDIn Keil, it ca...
Posted on November 09, 2015 at 18:23Hi, I have recently got my SD card running on an STM32F7 with the SDMMC (with DMA) and came across one issue. The DMA request mapping in the Reference Manual (Table 25. DMA2 request mapping) indicates two streams ...
Posted on November 05, 2015 at 16:48Hi, I try to measure the CPU load of my STM32F429I-Discovery board. I tried the approach described on http://stm32f4-discovery.com/2015/05/cpu-load-monitor-for-stm32f4xx/. This shows me a CPU utilization of 99% in...
Posted on November 07, 2015 at 21:15Hi. I'm interested in that how you are programming - in C or in assembly language?What are really benefits of assembly in contrast to C? Speed of code execution probably? How much faster it is, if you compare the ...
Posted on November 09, 2015 at 22:59Guys, Is HAL_Delay(100) = Delay for 100ms ? Thanks
Posted on November 09, 2015 at 23:48Concerns stm32f30x.h file and devices who uses it.
Posted on November 06, 2015 at 14:56Hello, i try to start with extSDRAM with open4x9 board stm32f429IG. im Using a CooCox IDE. While i worked with internal SRAM everything was fine. But whe i try to work with external SDRAM(IS42SI6400) 64Mb, i meet ...
