Forum Posts
STM32H743 ADC Conversion/Sampling time
Hi,I wonder if the STM32H743 can sample and convert 1 ADC sample in 10 nanoseconds?According to the specs the ADC speed (sample + convert) at 14bit resolution with 50MHz ADC clock , one sample will take 200 nanoseconds.I have no problem lowering the ...
Callback take long time to trigger
MCU STM32L431, SYSCLK 80MHzThe callback takes 1.5us to fire from pin drop, and the callback functions take long time to execute as I show the imagethe pin config function/** * @brief GPIO Initialization Function * @param None * @retval None */static ...
Resolved! RM0440, Rev 4, STM32G4 Reference Manual - typos
Table 226 on page 906 has an entry HRTIM_TIMxCMP1CR <- I don't think this is a real register.Section 27.3.8, page 888 second line in last paragraph says "any of the 5 timers". I think that should be 6 timers.Section 27.5.66, page 1050 says Bits 31:0 ...
HALL bug not setting clock ?
Hello. I was working on example generated by cubeMX (new version) on STM32L562VET6Q processor and canbus.Example code of networking worked just fine, but copying code to my LL based project made CANBUS inoperable.I was able to track down what is diff...
STM32L0x2 bug in reference manual
RM0376 Reference manual for STM32L0x2 DocID025941 Rev 5 states in 14.9 "Temperature sensor and internal reference voltage" :The following formula gives the actual VDDA voltage supplying the device: VDDA = 3 V x VREFINT_CAL / VREFINT_DATAThis can't be...
Resolved! RTC TR Time Register not incremented / updated on STM32L151CB-A, but ALARM interrupt is working
On my STM32L151CB-A (external PCB), the following issue is occurring when using the internal Real Time Clock:I configure Date, Time and Alarm A using the initialization routines generated by CubeMX. The Alarm A is set to trigger 7 seconds after the b...
Pipeline stage explanation
hi, all. I wanted to ask about The pipeline stages in the m cortex processors , i read that m0 has 3 stages and m0+ has 2 , which renders it more efficient , can anyone explain what that means?
