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SC18IM700 is not returning the right information.

Question asked by JORGE CORADO on Oct 18, 2018
Latest reply on Oct 30, 2018 by Jose Alberto Reyes Morales

Hi,

I am using an SC18IM700IP to control an I2C slave device.

When I power up the circuit, the SC18IM700 return the two bytes 0x4F and 0x4B; ‘OK’ in ASCII.

When I send the "IP" command, the result  can be seen in the picture attached.

 

 

If I write a number in any of the registers, then I read the same number for all of the registers.

 

 

Here you have my schematic:

 

 

 

Q500 is not installed

SDA and SCL have 10kOhm pull-up resistors.

 

Any help will be appreciated

 

Thanks

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