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hosseinam1370
Associate II
since ‎2023-11-30
‎2024-04-02

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  • 7 Posts
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I am currently trying to understand memory allocation for stack, heap, and data

2024-04-01
In microcontroller programming, SRAM is typically divided by the compiler into sections for stack, heap, and data. Now, my question is whether the stack and heap sizes need to be set in the compiler or not. In Keil, I've seen these Stack_Size EQU ...

How many clock cycles does each assembly instruction require in STM32?

2024-03-30
If I couldn't find documentation specifying the execution time or clock cycles required for each assembly instruction, and if I want to calculate the processor speed in executing instructions, what should I do?Is there a resource available for calcul...

A question about microcontroller flash memory size

2024-03-27
 The meaning of this "flash" is that we have 512 kilobytes of memory, where each memory cell is 64 bits or 8 bytes. What does this mean? Or why doesn't it directly say 512k * 8 = 4 gigabytes of flash memory?Can there be 8 bytes inside one byte? 

A question about the bus architecture of the STM32 microcontroller

2024-03-27
As we know, the Cortex-M3 can be configured with a frequency of 72 MHz, and the AHB bus frequency can also be set to 72 MHz, which is their maximum frequency. Now, the maximum frequency for the APB1 bus can be set to 36 MHz.Now the question arises: w...

where is address of usart interrupts?

2023-11-30
I want to know when USART interrupts, such as the completion of data reception, occur, to which address does the processor refer? I searched the manual reference but couldn't find this address. The addresses for all interrupts are in the Nested Vecto...
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