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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


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