Can I combine SRAM_L&SRAM_U?

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Can I combine SRAM_L&SRAM_U?

424 次查看
jingfang
Contributor IV

My SRAM_U too small, I want to combine SRAM_L&SRAM_U.

Is it possible and are there any limit?

/* SRAM_L */
m_data (RW) : ORIGIN = 0x1FFF8000, LENGTH = 0x00008000

/* SRAM_U */
m_data_2 (RW) : ORIGIN = 0x20000000, LENGTH = 0x00007000

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418 次查看
Senlent
NXP TechSupport
NXP TechSupport

Hi@jingfang

       I've seen some internal discussions on this issue and their answer is no, you can't combine SRAM_L & SRAM_U.

you can take a look at this discussions as below.

https://mcuoneclipse.com/2013/07/10/freertos-heap-with-segmented-kinetis-k-sram/ 

 

PS:

The SRAM of the S32K14x series MCU consists of two areas: SRAM_L and SRAM_U. The SRAM_L area is accessed through the Code Bus bus of the ARM CM4F core, while the SRAM_ area is accessed through the System Bus bus of the ARM CM4F core.

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