SPI full duplex communication with flash

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SPI full duplex communication with flash

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sai-bodhanapu
Contributor I

Hello @VaneB , I am using S32k312 EVB, i tried to communicate with flash using SPI in full duplex mode, when i use the functions Spi_SyncTransmit ()or Spi_AsyncTransmit(), i always get dummy data before actual data in rx_buffer, the dummy data is always the size of tx_buffer.

saibodhanapu_0-1702045056066.pngsaibodhanapu_1-1702045087183.png

these are my configurations from S32DS. please let me know if anything wrong with my configuration.

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VaneB
NXP TechSupport
NXP TechSupport

Hi @sai-bodhanapu 

Can you share the RTD version you are using so I can try to replicate your issue? Or your project, if it is possible? 

Also, have you already tested the SPI examples? Specifically for S32K312 devices, the last RTD version with examples is the v2.0.3. 

 

B.R.

VaneB

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