Others: hardware and software

Discuss hardware and software design challenges, including NOR flash storage, OTA updates, component ID, and thermal management.

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Resolved! WDI not triggering NRST properly for SMT818

Hello,I purchased several of the SMT818 chips and was testing its watchdog timer capabilities for my TI MCU. I started with an input pulse that the MCU sent every 500 ms from a 3.3V GPIO pin into the WDI input. Looking at both this input pulse and th...

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hoatsosa by Associate
  • 1164 Views
  • 4 replies
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Problem with noise with addressable LEDs

Hi! I'm using Inolux_IN-PI554FCH LEDs with a custom PCB, controlled by an STM32H563VGT6.When using the LEDs and setting a colour like 255,0,0 (RGB) the noise generated on the data track is negligible. However, when I set a colour that is not 255, the...

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JonConesa by Associate III
  • 1427 Views
  • 5 replies
  • 3 kudos

Readout Protection

I'm using the BlueNRG-LP and want to enable "Readout Protection". From the reference manual RM0479 it can be enabled by writing the UserKey 0xAAAAAAAA to DATA0/1. In the RF-Flasher 4.3.5 Openocd readout_protection.cfg file writes the UserKey 0xFCBCEC...

Resolved! Identify 8pin IC

I have an 8pin IC marked 351 but I do not seem to understand what ST component it is. See the image. I will appreciate any help for identification.

st351.jpeg
eboy by Associate
  • 1722 Views
  • 3 replies
  • 2 kudos

M24C02 POR Threshold

What is the lower limit of the POR threshold value for the M24C02-RMN6TPT?The datasheet states "lower than the minimum VCC", but we need to know the specific value.With our hardware, the VCC only goes down to 1.0 V, not 0V.  Therefore, I am inquiring...

yana by Associate
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  • 4 replies
  • 0 kudos