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PMana.1
Associate II
October 26, 2021
Question

suggest alternate ICs for STM32WB55CG and STM32L476RG

  • October 26, 2021
  • 3 replies
  • 1009 views

Hello, I am currently working on two projects and the firmware is tested and verified on two mcus ( STM32L476RG and STM32WB55CG). I would like to consider different MCUs where the code can run without changing the code. I know if I consider the ICs from the same family I could do this if there are no changes in the flash interpretations. Could you please suggest some ICs and if I am considering ICs from other families what all changes need to be done to the code. Do I have to change the libraries? Is it a time-consuming process? What is the easiest approach to convert the code? I am using Keil IDE for coding.

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3 replies

TDK
October 26, 2021

Why are you considering alternate chips?

Generally, moving to a more capable chip within the same family will require no code changes, but this depends on what exactly your code does.

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PMana.1
PMana.1Author
Associate II
October 26, 2021

I would like to purchase around 500k chips, but due to the chip crisis, I have to go for an alternate. Lead time for these two ics are around 52 weeks.

Tesla DeLorean
Guru
October 27, 2021

The STM32WB55 is pretty specific, porting is going to be a headache.

Suggest you find a part with equivalent functionality, and available, and then figure how complex the development environment looks, and how quickly you and your team can adapt and code.

Make a quick assessment so you can get some orders queued up. I don't think you'll have any problem moving excess inventory of popular ICs

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