how to let MPU9250 enter sleep mode and wakeup

By kerryshen , 21 September 2016

hi,

i had writen below values to 2 registers of MPU9250 via IIC:

MPU9250_PWR_MGMT_1 = 0x41 and
MPU9250_PWR_MGMT_2 = 0x3f

but it looks like MPU9250 had not slept because current is still high.

another question is how to wake up slept MPU9250, can it be waken up by a simple iic read/write or only power recycle can wake it up?

thank you.
kerry.

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