Hi Dao,
What a pity!
There are no demos that integrate K60 with MMA7760 for you, however I found a PE demo about KL25 usage another three-axis acccelerometer MMA8451Q.
The MMA84Q1 also support the I2C proposal and the demo is very worth to referring to.
I've attached the demo with the reply and please check it.
Have a great day,
Ping
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