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Vdd being held at 0.7V with backup battery fitted

Posted on March 08, 2012 at 14:07Hi, When I switch off the power to my STM32F417 with a backup battery connected, the Vdd rail doesn't drop below 0.7V and Vbat falls rapidly. It looks like Vbat is connected to Vdd and is powering the rest of the cir...

STM32F0 Unique ID Location

Posted on October 19, 2015 at 21:18What is the starting address of the 96-bit Unique ID on the STM32F030 processors? I cannot find this information anywhere in the reference manual or datasheet. Is this guaranteed to exist on the F0 series? #stm3...

tderensis by • Associate II
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Calculating DMA ADC conversion time

Posted on October 20, 2015 at 14:32Hello there,I am having problem calculating the exact conversion time of ADC when using DMA ring buffering.I was trying to find it in the STM32F4 datasheet but didnt find it.I was trying to deduce it out using scop...

Enable/Disable interrupts with ST firmware library

Posted on October 19, 2015 at 14:29Hi Forum, I am seeing some spurious results when running code and I think it may be interrupt related. To test, I need a quick way of enabling/disabling . There are two types of interrupts running on our system,...

stenasc by • Senior
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  • 3 replies
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Driver problem in stm32f30x_tim.h

Posted on October 20, 2015 at 12:58 Hi The driver version I am using is * @version V1.0.1 * @date 23-October-2012 Is this an old version? If yes then where do I get a newer one? My problem is when I call some of the funct...

JustMe by • Associate III
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  • 1 replies
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STM32F042 USB - what is ''Activate OE''?

Posted on October 20, 2015 at 13:40There is an ''Activate OE'' checkbox in STM32CubeMX is USB section of the tree which enables a ''USB_OE'' pin on PA4. I can't find any occurrence of USB_OE either in datasheet or reference manual. Can anybody tell ...

ISR and data from CCMRAM?

Posted on October 20, 2015 at 03:03Hi!On a F303K8 in SysTick i have two functions that i would like to run from CCMRAM because SRAM isunder heavy load from multiple DMA channel transactions, i use EmBitz tools. The functions fetch variablesand data ...

USBH_CtlSendData()

Posted on June 19, 2011 at 18:57Hi:I have problem with this function - it just doesn't work if you want to send some data (> 0 bytes). The setup packet is sent and ACK is received but when data packet is sent no response. See example below:         ...

iozho by • Associate II
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