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Hi I'm using tca9548a mux with 4 mcp4725 DAC module. I need a solution to do i2c communication.

TCA9548a's address is 0x70.

 

MCP 4725's address is 0x61.

 

I want to make a analog signal with mcp4725 dac module. But I don't know which command that I have to use.

 

I made already analog output with mcp4725, but the problem is mux.

 

I'm doing a I2C communication by linx but it doesn't work at all

 

I connected a dac's sda,scl to sd0,sc0 of the mux.

 

my question is 

 

1. The way to connect pull-up registers.

 

2. LINX I2C commands.

 

I posted my vi file and I have less knowledge of programming. Though it looks not that good, please help me. 

 

Thanks. 

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