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SIM5320E with I2C trouble

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flore

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Hello everybody,

Is there anyone who manage to use the SIM5320Â’s I2C interface?
I try to connect one MMA8452 accelerometer.

The command AT+CRIIC=0x1D,0x0D,1 return ERROR

The only refference found in the documentation are the read and write commands, no other configuration options.
I am using FONA 3G board + sparkfun MMA8452.

Thank you.
 

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