MPU9150 查看數據表（PDF） - Unspecified
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MPU9150 Datasheet PDF : 50 Pages
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MPU-9150 Product Specification
Document Number: PS-MPU-9150A-00
Revision: 4.3
Release Date: 9/18/2013
The self-test response for each accelerometer axis is defined in the accelerometer specification table
(Section 6.2), while that for each gyroscope axis is defined in the gyroscope specification table (Section 6.1).
When the value of the self-test response is within the min/max limits of the product specification, the part has
passed self-test. When the self-test response exceeds the min/max values, the part is deemed to have
failed self-test. Code for operating self-test code is included within the MotionApps software provided by
InvenSense.
7.14 MPU-9150 Solution for 10-Axis Sensor Fusion Using I2C Interface
In the figure below, the system processor is an I2C master to the MPU-9150. In addition, the MPU-9150 is an
I2C master to the optional external pressure sensor. The MPU-9150 has limited capabilities as an I2C Master,
and depends on the system processor to manage the initial configuration of any auxiliary sensors. The MPU-
9150 has an interface bypass multiplexer, which connects the system processor I2C bus pins 23 and 24
(SDA and SCL) directly to the auxiliary sensor I2C bus pins 6 and 7 (ES_DA and ES_CL).
Once the auxiliary sensors have been configured by the system processor, the interface bypass multiplexer
should be disabled so that the MPU-9150 auxiliary I2C master can take control of the sensor I2C bus and
gather data from the auxiliary sensors.
For further information regarding I2C master control, please refer to Section 10.
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