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PSoC 5, 3 & 1 MCU

Anonymous
Not applicable

i have a ic (i2c) pca9555pw . I want use  as slave for pca9555pw  in i2c. Any body help to send a data or read data from pca9555pw by I2c.

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4 Replies
Anonymous
Not applicable

i2c driver for pca9555pw

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Bob_Marlowe
Expert II

Use I2C master component on your PSoC5, no need for a driver.

   

 

   

Bob

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Anonymous
Not applicable

how to i am use ?

   

Any Example tell me that send data to output port of pca9555 or read from output port of pca9555.

   

i am use this function but not able to write data 

   

uint8 I2C_MasterWriteBuf(slvAdr, uint8 * wrData,10, I2C_MODE_COMPLETE_XFER);

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Bob_Marlowe
Expert II

Study the I2C component's datasheet and get help from someone to trasnslate.

   

You need the slave address of  pca9555pw.

   

an you program using C-language?

   

 

   

Bob

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