Embedded Software Developer Interview Questions

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We have a non volatile flash memory with the following properties: Page size is 400 bytes, in the beginning all pages are initialized to 1s It is only possible to set a 1 into 0, not possible to set 0 back to 1. It is possible to erase a page - setting all values to 1 After 1000 erase operations the page is damaged and finishes his life. You need to implement a counter with this flash memory and a RAM. The counter should be maintained such that if the computer is turned off unexpectedly and on again the counter should still be valid up to missing 1 or to counts.
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Embedded Software Developer

Interviewed at Nuvoton

3.9
Feb 8, 2018

We have a non volatile flash memory with the following properties: Page size is 400 bytes, in the beginning all pages are initialized to 1s It is only possible to set a 1 into 0, not possible to set 0 back to 1. It is possible to erase a page - setting all values to 1 After 1000 erase operations the page is damaged and finishes his life. You need to implement a counter with this flash memory and a RAM. The counter should be maintained such that if the computer is turned off unexpectedly and on again the counter should still be valid up to missing 1 or to counts.

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