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Cube32MX - input capture overflow detection.

Posted on May 18, 2017 at 22:46Hi.I'm trying to use TIM1's channel 1 as a spindle RPM input capture. ( device is STM32F103C8 )Knowing that the spindle has a single pulse per revolution and is rated from 0 to 30K rpm, the frequency domain is 0 to 500...

arnaljl by Associate III
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  • 16 replies
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Using an external signal to clear TIM counter

Posted on May 11, 2018 at 20:57I'm using TIM2 as a PWM. I have an (periodic) external signal that should reset the TIM2 counter to zero, so that the PWM is synchronized to the external signal. In a previous naive setup, I used the external signal to...

jsvirzi by Associate II
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  • 7 replies
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RTC Interrupt not accurate when place a function in

Posted on May 12, 2018 at 15:32I just used RTC interrupt to measure msec timing. and  I got some problem.when i write naive code in interrupt there is no problem. timing is correct and no delay. the sample code is belowvoid RTC_IRQHandler(void){    ...

jd kim by Associate II
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problem writing to flash for the second time

Posted on May 12, 2018 at 13:57Hello everyone,I have used the following codes to (erase and then ) write to the flash in STM32F103RCT6, the problem is every time i call this function it writes every page only the first time. meaning when called for ...

Pulse counter 80 MHZ.

Posted on May 11, 2018 at 20:37Pulse counter 80 mhz input, on 180 MHZ stm32 F479Hello, I just need to keep count of an external clock input,  wich comes at about 80 mhz.I dont need to be interrupted or anything, just that this count be accessible at...

TIMER TRGO

Posted on May 11, 2018 at 19:27Hello, I am using NUCLEO F429ZI. I am using TIM9 with 2 channel,  channel 1 use for input pulse counter, and channel 2 is output channel to generate a timer based pulse. I try to set TIM9 as master timer using TRGO. My...

Resolved! IO limit voltage of STM32F303RCT6

Posted on June 29, 2017 at 13:50Hello ST engineers,According to the MCU (STM30F303RCT6) datasheet, the absolute maximum rating of IO's Vin is 4.0V (page 56).In our application, operating voltage is 3.3V (Vdd=Vdda=3.3V), but the input voltage of PA0 ...

Lin Zi by Associate II
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  • 8 replies
  • 0 kudos