Embedded Questions -STM32 -

1. APB in STM32 stands for :

Application Process Bus

Advanced Peripheral Bus

None of the above

2. Boot configuration in STM32 is done by :

Hardware only

Hardware and/or option bytes programming

Factory programmed

None of the above

3. Which of the following is True for STM32 ?

If you halt CPU execution, RTC will also stop

RTC is separate IP block and will continue to run even after CPU is halted

We can’t halt CPU when RTC is running

4. Device memory layout can be verified by :

Only Downloading code and then verify memory

By Linker

By Compiler

None of the above

5. Which of the following statements are True to program RTC?

Enable PWR block

Disable RTC protection

Boot from default factory program in system memory

6. Block Started by Symbol is :

Intitialized data segment

Un-initialized data segment

Code segment

Not related to Embedded

7. The header file provided by Truestudio IDE for STM32 has many #define macros. Which of the following solution can help to understand the actual values of various definitions ?

You can decode #define values based on various device features from datasheet

You may verify from Linker map file

You may check temporary file after Pre-processor phase of compilation

Download code and check memory

8. One can create STM32 Nucleo-L4R5ZI device header file with the help of STM32L4R5ZI datasheet and STM32L4 family Reference manual :

True

False

9. What is the purpose of external crystal for LSE(Low Speed External) in STM32 Nucleo board ?

It is required to sync-up LSE(Low Speed Internal)

RTC can’t work without LSE .

It is required for STM32 Peripherals

Crystal is much better in terms of accuracy over temperature range and less jitter

10. What happens if Boot configuration in STM32 is set to boot from Flash User/Application area but Flash is empty ?

CPU will throw exception

CPU will execute default bootloader from sytem memory

CPU will stuck at first instruction address

None of the above

Question 1 of 10

Embedded Questions -STM32

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