MPU-6050 データシートの表示（PDF） - Unspecified

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MPU-6050

MPU-6000/MPU-6050 9-Axis Evaluation Board User Guide

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MPU-6000/MPU-6050 EV Board User Guide

Document Number: AN-MPU-6000EVB-00

Revision: 01

Release Date: 1/12/2011

3.1 MPU-6000 Key Function and Pin-outs

The MPU-60X0 EVB is a fully-tested evaluation board, providing for quick evaluation of the MPU-

60X0’s X- , Y- , and Z- axis angular rate gyroscope + X- , Y- , and Z- axis accelerometer . MPU-

60X0 has a primary interface to talk to the application processor and a secondary interface to

communicate to an external sensor. MPU-60X0 EVB comes preloaded with a AKM 3-axis

compass to let the user experience a 9-axis sensor fusion output from MPU-60X0’s Motion

Processing Unit. The MPU-60X0 uses InvenSense’s proprietary MEMS technology with driven

vibrating masses to produce a functionally complete, low-cost motion sensor. All required

conditioning electronics are integrated into a single chip measuring 4 x 4 x 0.9mm. It

incorporates X- , Y- and Z-axis low-pass filters and an EEPROM for on-chip factory calibration of

the sensor. Factory trimmed scale factors eliminate the need for external active components and

end-user calibration. A built-in Proportional-To-Absolute-Temperature (PTAT) sensor provides

temperature compensation information. The product is lead-free and Green Compliant.

3.2 MPU-6000 vs. MPU-6050

The MPU-6000 and MPU-6050 are identical, except that the MPU-6050 supports the I2C serial

interface only, and has a separate VLOGIC reference pin. The MPU-6000 supports both I2C and

SPI interfaces and has a single supply pin, VDD, which is both the device’s logic reference supply

and the analog supply for the part. The table below outlines these differences:

Table 1. Primary Differences between MPU-6000 and MPU-6050

Part / Item

VDD

VLOGIC

Serial Interfaces Supported

Pin 8

Pin 9

Pin 23

Pin 24

MPU-6000

2.5V±5%, 3.0V±5%, or

3.3V±5%.

n/a

I2C, SPI

/CS

AD0/SDO

SCL/SCLK

SDA/SDI

MPU-6050

2.5V±5%, 3.0V±5%, or

3.3V±5%.

1.71V to VDD

I2C

VLOGIC

AD0

SCL

SDA

3.3 MPU-6000 Bus Connection

The MPU-60X0 EVB communicates to a system processor through the customer header using

the I2C serial interface. The device always acts as a slave when communicating to the system

processor.

InvenSense, Inc., 1197 Borregas Ave., Sunnyvale, Ca 94089, USA

5

Tel: +1 (408) 988-7339 Fax: +1 (408) 988-8104

Website: http//www.invensense.com

AN-MPU-6000EVB-00

©2011 InvenSense, Inc. All rights reserved.

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