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Forum Posts

32 bit limit on chained 16 bit timers

Working with a L4R5. I have chained TIM1 & TIM3 to create a 32 bit 1mS counter.Is it possible to reset both counters on an arbitrary 32 bit value?I would like to limit the count to 0x240c_8400; msec in one week.I understand how to reset a timer base...

RHerm.3 by Associate III
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Resolved! Nucle-L4R5ZI Hard Fault Timer with Output Channel

I use the NUCLEO-L4R5ZI Evaluation Board.I use STM32CubeIDE with HAL and gcc.When i activate an Timer Output Channel (I have tried it with Output Compare, PWM, Forced Output) i get a Signal:0 in the gdb after the Timer init (e.g. after call of MX_TIM...

MMuet.1 by Associate
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Resolved! Emul usart AN4457 issue

Hello,Has anyone ever used the emulated usart provided by ST (AN4457) based on timer and DMA?I need it for transmit, not for reception.In my test, most of the time TX characters are corrupted, sometimes it works.I checked with scope and it appears th...

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PCu1 by Senior
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  • 14 replies
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We have a PCB that is programmed via JTAG using the ST-Link/V2. Recently, I got some ST-Link Mini's, but I can't get them to talk to the same PCB the V2 does.

Looking at the pinouts for the 20-pin JTAG connector on the CBA being programmed, I see:1 - 3.3V2 - JTMS3 - GND4 - JTCK5 - GND6 - JTDO7 - n/c8 - JTDI9 - GND10 - /JTRST11-20 - Odd pins are GND, Even pins are n/cLooking at the STDC14 connector pinout f...

BRich.3 by Associate
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  • 3 replies
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P-NUCLEO-LRWAN2 won't communicate with PC via USB

I've purchased an LRWAN2 kit for an upcoming ST workshop, and I wanted to make sure I can set the RF band, etc. when the time comes.I've followed the setup instructions in UM2587 rev 2, the "Getting Started" guide, and I get the following power and s...

SHers by Associate III
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  • 6 replies
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