How to send LEFT and RIGTH channel data through I2S of KL26?

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How to send LEFT and RIGTH channel data through I2S of KL26?

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2743294708
Contributor I

The KL26 MCU has only one Transmit Data Rigister(TDR). So how to  send LEFT and RIGTH channel data through I2S?

In my test, the data of left channel and right channel of KL26 is same, when wirte data to TDR.

pastedImage_1.png

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Hui_Ma
NXP TechSupport
NXP TechSupport

Hi,

Customer can refer below picture to use SAI_TX_SYNC signal to select LEFT/RIGHT channel.

pastedImage_1.png

Customer can use I2Sx_TCR4[FSP] bit ( Frame Sync Polarity)  to set active level.

Wish it helps.


Have a great day,
Mike

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