SPI example

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SPI example

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abhitippanna
Contributor III

I am using KW36 dewvelopment board. MCUXpresso IDE. I want to under SPI driver which example should I use.

Thank you,

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abhitippanna
Contributor III

Read and write function.pngmain_loop.png

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victorjimenez
NXP TechSupport
NXP TechSupport

Hello Abhijeet Tippanna,

I recommend you download the SDK for the FRDM-KW36. Within the SDK you will find the drivers for all the peripherals of the MCU.

Link to download the SDK.

Hope it helps!

Victor.

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abhitippanna
Contributor III

Hi,

Which example should I use for understanding SPI driver. I am  confused.

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victorjimenez
NXP TechSupport
NXP TechSupport

Hello Abhijeet Tippanna,

That will depend on what are you trying to achieve. In the SDK you have the following examples for the SPI module: 

pastedImage_2.png

You can use the one that adapts better to your needs. With these examples, you will see how the SPI drivers are implemented.

Regards,

Victor.

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abhitippanna
Contributor III

In which example Interfacing is done with AT45DB041E (512KB) Flash.

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victorjimenez
NXP TechSupport
NXP TechSupport

Hello Abhijeet Tippanna,

If you want to interface with a Flash memory then you should use the Flash Memory Controller (FMC) module. I recommend you read chapter 28 of the reference manual. The examples that you can use as a guide from the SDK are the following:

pastedImage_2.png

Regards,

Victor.

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abhitippanna
Contributor III

Hello Victor Jimenez

   I am going to interface on board external flash (AT45DB041E) and I am using this configuration and read write function.

main_loop.pngRead and write function.png

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abhitippanna
Contributor III

Thanks.

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victorjimenez
NXP TechSupport
NXP TechSupport

Hello Abhijeet Tippanna,

Could you please provide more information? For example, which MCU are you using? Which IDE are you using? 

Regards, 

Victor.

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scottm
Senior Contributor II

Is that a question?

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abhitippanna
Contributor III

Yes,

I am cant able to read FLASH manufacture ID

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