STM32 MPUs Products and hardware related

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/dev/watchdog is always busy.

I am using the STM32MP15-DK2 dev board and with a modified device tree to enable some peripherals. I would like to use /dev/watchdog to reset if ever my application hangs. But whenever I try to open the device I get Error opening watchdog device: Dev...

ASuar.1 by Associate III
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  • 3 replies
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SPI chip/slave select issue STM32MP157

I have troubles in setting the polarity of the SPI chip select i/o for an external chip.I noticed In the reference manual that it should be changeable with SPI configuration register 2 (SSIOP bit 28) :Bit 28 SSIOP: SS input/output polarity0: low leve...

Ronte.1 by Associate II
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  • 5 replies
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STPMIC1 PWR_USB_SW with 5V input

Dear all,We are designing a board using STM32MP1 and STPMIC1 mostly as recommended in datasheet and application note. As we have a wide VIN range we added a discrete DC/DC with a 5V output that supply STPMIC1 VIN.We would like to use STMPIC1 PWR_USB_...

PGE by Associate III
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  • 6 replies
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Resolved! I have a problem with the predictive maintenance setup as described in UM2639 and dm00659285..". I get as far as "Edge computing setup complete". Then it completely stops. Any ideas?

The handshake sequence looked a bit odd too. [STMdemo1] (08:07:40): {"state": {"reported": {"Device_Type": "STEVAL-IPD005V1", "Features": [], "Firmware": ""}}}Update request with token "40d4c70c-ec71-4946-9f7b-b6ad2719d965" acceptedI have also tried ...

PHarl.1 by Associate
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  • 3 replies
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Resolved! STM32MP157 OTP voltage

Hi guys,I'm designing a custom board with STM32MP157C using the MB1263 board as reference.The MB1263 reference design shows the VDD_OTP pin tied to VDD, which is 3V3 for that particular board. My custom board uses VDD = 1V8 instead of 3V3. Should I t...

NCF by Associate II
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  • 1 replies
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