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RSoen.1
Associate II
since ‎2020-11-09
‎2023-06-14

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  • 25 Posts
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User Activity

STM32L073 Unable to connect as USB Device

2021-05-24
We have a design that uses USB CDC device. We have used this with no problems on the 192KB version of the STM32L073 but when we switched to the 128KB version we get a "device not recognized" from the host PC. Before I do a lot of troubleshooting I wa...

I2C Acknowledge Polling

2021-05-05
The eeprom I am using has no status byte/bit. In order to know if the device is busy you have to look for an ACK when repeatedly sending the address byte.I cannot find an easy way to do this using the CUBEIDE and the HAL. All the low level i2c routin...

Problems with STM32L0 Basic ADC Operation

2021-03-02
I am having trouble getting the ADC to work right in basic polled operation. I am polling two channels which provide voltages via resistor dividers. I have measured the voltages at the ADC inputs and they are correct so I do not believe the divider i...

Reset when try to connect to Bootloader (USB)

2021-02-24
STM32L073RZWe are entering the BL via boot0. The STM32Cube Programmer software sees the USB port but when I try to connect, the part resets out of the bootloader.Appreciate any ideas.ThanksRich

STM32L0 - GPIO Interrupt blocking RTC Interrupt

2021-02-21
Hello,I have the RTC set for a 1 Hz interrupt. I have buttons, that when pressed, trigger a rising edge interrupt. The interrupts work fine except that when I call my button handling routine the RTC interrupts are blocked. They remain block until the...
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