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CC3200-LAUNCHXL: i2c ds3231 not receive

Part Number: CC3200-LAUNCHXL
Other Parts Discussed in Thread: CC3200

Hello, I am using the i2c_if.c library to receive the DateTime from the DS3231 but I am receiving wrong data.

If I connect the DS3231 to the arduino it works, but when I connect it to the CC3200 (PIN1, PIN2) I do not receive the expected data.

If I use the i2c_demo program with the command:

readreg 0x68 0x00 7

He answers the following: 0x37,  0x20,  0x0,  0x1,  0x1,  0x1,  0x0,

which does not correspond to any date.

I have captured the i2c bus with a analyzer and the following is received: 

Are there any missing settings?