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PWM max voltage 3 V !!!

Posted on February 18, 2015 at 10:07I use a STM32f4vgt6 and I configured the PWM to control a DC motor. The problem is that when I measure the output PWM tention I notice that it does not exceed the 3V. When I connect the VDD pin to 5V, the problem ...

haythem by Associate II
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Problem Uploading code to STM32F103ZCT7

Posted on February 16, 2015 at 12:59Hello all,I am having problem in updating the code to STM32F103ZCT7 using ST link V2.I am getting the error as ''Can not connect to divice; Internal Command Error''I am using three pins SWDIO, SWCLK, NRST. I have ...

STM3220G-EVAL USB_OTG_FS port

Posted on February 18, 2015 at 12:47HiIs D+ line in USB_OTG_FS port using any pull up in STM3220G-EVAL?Because in STM32CubeF2 code for USB device, I see that D+ line and D- lines are not pulled up/* Configure DM DP Pins */    GPIO_InitStruct.Pin = (...

STM32l152rbt6 vs. STM32l162rdt6

Posted on February 18, 2015 at 10:58Hello,I would like to know, if I can use a programm, is written for a STMl162RDT6, on a STM32l152RBT6?Or it is nessesary to change anything to make it runnable?Greatings #stm32l162rdt6 #stm32l152rbt6

USB VBUS Voltage Level(STM32F407)

Posted on February 18, 2015 at 06:16I wonder, STM32F4 series can use USB VBUS 5V or not.In fact, I have been using this device for 4 months with VBUS 5V directly, but it seems no specification of VBUS on DM00037051.pdfFor instance, I'm using like th...

nagano by Associate II
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Use a pin for PWM capture input AND counter

Posted on February 12, 2015 at 09:28Dear all, Do you know if it is possible to get from a single pin a capture PWM input (and get the frequency) and on the same pin, to be able to count the number of pulse ? Currently I have ''capture PWM input'' on...

laurent2 by Associate II
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Code and vector in SRAM

Posted on February 17, 2015 at 17:36Hello, I want to have a fast interrupt with the STM32F429 at 168MHz. I use EXTI interrupt who toggle an gpio for test. I measure the time with a scope between the exti pin front and the gpio output front. I made...

eric2 by Associate
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Free Development Tools for STM32 Microcontrollers

Posted on February 17, 2015 at 14:5802/17/2015STM32 users can now choose from three IDEs from leading vendors, which are free of charge and deployed in close cooperation with ST. Users can choose between: CooCox CoIDE: support all STM32 devices b...

STM32F4 Bootloader - DFU USB and not DfuSe

Posted on February 17, 2015 at 14:10Hello,the STM32F4 Library has an example for DFU over USB (usbd_dfu.c). However, it is implemented the DfuSe way, so it does not follow the DFU standard and can't be used with software which follows the standard. ...

STM32F0 playback audio using pwm and DMA

Posted on February 17, 2015 at 11:08I have successfully made it work with STM32F072 board using the dac, dma, tim6. The timer is responsible of triggering the dac and there is a double buffer mechanism when dma finish handling the current buffer. ba...

roy23 by Associate II
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