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Trying to make an L031 wake up in 65 µs - how?

I've been trying to get an STM32L031 to periodically wakeup with minimal power consumption. The specs say it can standby at under 0.5 µA, which I can confirm, but also that it can wake up within 65 µs, which I cannot reproduce. I'm seeing a 1.6 ms de...

jcw by Associate II
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Resolved! STM32L432 flash loader demonstrator

Posted on May 15, 2017 at 20:07I'd like to ask if there will be any support for STM32L432 for the flash loader demonstrator. So far with the GUI version this device is not supported. I've tried to create STmap file from the STM32L4 just by editting ...

krestan by Associate II
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Inconsistence in ADC results between inputs

Using nucleo h743zi; project created in CubeMX; Multichannel ADC + DMA,.I've connected 9 pressure sensitive resistors to ADC1 inputs (IN2-IN10), and the results after AD conversion are quite inconsistent. And by inconsistence I mean that the results ...

convert char to double , GPS DATA

Posted on March 20, 2016 at 01:17I'm using the stm32f0 nucleo  and a gps module , I am able to receive data from the gps and i get the string below.                                                                                $GPGGA,000055.600,285...

fsmc timing problem

fsmc timing problem hello my lcd need the ne1 pin in stm32 to be >= 500ns but i see i oscilloscope it's 124ns . i need to make it >= 500ns for my lcd cs pin i want to make NE1 high pulse width more than 500ns here is my timing code hsram1.Instanc...

elec_st by Associate III
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Resolved! Synchronization string losed using SPI with DMA

Posted on August 11, 2017 at 15:07Hello Community,I have configured a STM32F429ZIT to communicate through SPI (SPI6) as slave and using DMA, see attached file.The transmission works very well during 1 - 5 min but suddenly some transmission errors oc...

I'm trying to communicate between the STM32F107VC (master mode) and a TDC GP22 slave chip but came across this issue:I'm expecting to read 0x12 but i always get 0xFF, plese help me my email: amiryal.me@gmail.com

gp22_send_1byte(Power_On_Reset); HAL_Delay(1); gp22_wr_config_reg(0x81, reg_test); HAL_Delay(1); //gp22_send_1byte(init); HAL_SPI_Transmit(&hspi3, &tx, 1, 1); //send tx=0xb5 opcode HAL_Delay(1); ...

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aasil by Associate II
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