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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STEVAL-DPSTPFC1 Load Regulation

Is someone working on STEVAL-DPSTPFC1?I am planning to cascade a 400VA inverter at the output to run a load. Will the PFC be working? Since the Evaluation Board is 3.6kW and we are planning to run a load less than 300W.

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! AF bit I2C_SR2 register

Hello,STM8S208RB.How can you read the AF bit in the I2C_SR2 register?When I try to read this bit, it is always 0 even if this bit is set to 1 (In debug mode I look at this bit that it is set to 1). For example, the following condition always gives th...

MykolaLevun_0-1706369511589.png MykolaLevun_1-1706369895465.png

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
  • 3208 Views
  • 3 replies
  • 2 kudos

Option bytes - temporary memory unprotection(TMU)

Hello everyone.I am in trouble with the datasheet of STM8AF5288.There are only brief descriptions about TMU in the datasheet.What is the difference between TMU and ROP?How to use TMU?I can't find any documentation.Does anyone have more detailed infor...

OB1.PNG OB2.PNG
Ian_L by Associate
  • 4076 Views
  • 3 replies
  • 0 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
  • 2015 Views
  • 4 replies
  • 0 kudos

stm8s003f3 adc value fluctuation

Hi Everyone,I am measuring an Ac voltage which is biased on 2.5v dc on stm8s003f3. The input is coming from an op-amp. My problem is I am not getting a stable ADC value. there is always 2 3 point ADC fluctuation which ultimately fluctuates the AC vol...

KRiaz.1 by Associate II
  • 1901 Views
  • 2 replies
  • 0 kudos