MPU-3000 [ETC]
MPU-3000 & MPU-3050 3-Axis Evaluation Board User Guide Revision 2.0; MPU- 3000 MPU - 3050 3轴评估板用户指南2.0版
| 型号： | MPU-3000 |
| 厂家： | 
ETC |
| 描述： | MPU-3000 & MPU-3050 3-Axis Evaluation Board User Guide Revision 2.0 |
| 文件： | 总13页 (文件大小：533K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Document Number: AN-MPU-30x0EVB-00
Revision: 2.0
MPU-3000 & MPU-3050 EV Board User Guide
Release Date: 07/15/2011
MPU-3000 & MPU-3050 3-Axis
Evaluation Board User Guide
Revision 2.0
InvenSense, Inc., 1197 Borregas Ave., Sunnyvale, Ca 94089, USA
1
AN-MPU-30x0EVB-00
©2011 InvenSense, Inc. All rights reserved.
Tel: +1 (408) 988-7339 Fax: +1 (408) 988-8104
Website: http//www.invensense.com
Document Number: AN-MPU-30x0EVB-00
Revision: 2.0
MPU-3000 & MPU-3050 EV Board User Guide
Release Date: 07/15/2011
CONTENTS
1.
2.
3.
4.
5.
6.
7.
REVISION HISTORY....................................................................................................................................... 3
PURPOSE..................................................................................................................................................... 4
MPU-3000 & MPU-3050 3-AXIS EV BOARD OVERVIEW................................................................................ 5
MPU-3000 & MPU-3050 3-AXIS EVB SCHEMATICS ..................................................................................... 7
DATA GATHERING OPTIONS ........................................................................................................................ 11
SPECIAL INSTRUCTIONS .............................................................................................................................. 12
DIMENSION DRAWING ................................................................................................................................. 12
InvenSense, Inc., 1197 Borregas Ave., Sunnyvale, Ca 94089, USA
Tel: +1 (408) 988-7339 Fax: +1 (408) 988-8104
Website: http//www.invensense.com
2
AN-MPU-30x0EVB-00
©2011 InvenSense, Inc. All rights reserved.
Document Number: AN-MPU-30x0EVB-00
Revision: 2.0
MPU-3000 & MPU-3050 EV Board User Guide
Release Date: 07/15/2011
1. Revision History
Date
Revision
1.0
Description
10/01/2010
07/15/2011
Initial release
2.0
Added compatibility for MPU-3050
InvenSense, Inc., 1197 Borregas Ave., Sunnyvale, Ca 94089, USA
Tel: +1 (408) 988-7339 Fax: +1 (408) 988-8104
Website: http//www.invensense.com
3
AN-MPU-30x0EVB-00
©2011 InvenSense, Inc. All rights reserved.
Document Number: AN-MPU-30x0EVB-00
Revision: 2.0
MPU-3000 & MPU-3050 EV Board User Guide
Release Date: 07/15/2011
2. Purpose
This document describes the hardware and circuitry on the MPU-3000™ & MPU-3050™ 3-Axis
Evaluation (EV) Board. It covers applying the EV board to a larger system, understanding key signals
and circuit functions, hardware jumper settings, and port connectors.
2.1
Usage
This evaluation board provides three axes of motion sensing, comprised of:
X-, Y- and Z-Axis gyros with ±250°/sec, ±500°/sec, ±1000°/sec, ±2000°/sec selectable full-scale
range.
Digital data measured using on-chip ADCs, is transmitted over I²C or SPI interfaces.
The Evaluation board may be used by itself using SPI or I²C serial communications interfaces.
Alternatively, it may be connected to InvenSense‟s ARM Evaluation Board (INVARMEVB) for
connectivity to a host computer using USB interface.
2.2
Related Documents
The following documents are recommended for additional information regarding the products and
systems described in this Application Note.
MPU-3000 & MPU-3050 Product Specification
MPU-3000 & MPU-3050 Register Map and Register Descriptions
MPU-3000 & MPU-3050 EVB schematics
InvenSense, Inc., 1197 Borregas Ave., Sunnyvale, Ca 94089, USA
Tel: +1 (408) 988-7339 Fax: +1 (408) 988-8104
Website: http//www.invensense.com
4
AN-MPU-30x0EVB-00
©2011 InvenSense, Inc. All rights reserved.
Document Number: AN-MPU-30x0EVB-00
Revision: 2.0
MPU-3000 & MPU-3050 EV Board User Guide
Release Date: 07/15/2011
3. MPU-3000 & MPU-3050 3-Axis EV Board Overview
The MPU-3000 & MPU-3050 3-Axis EV Board contains the MPU-3000 or MPU-3050 Digital Motion
Processing Unit. It contains a number of „solder-across‟ jumper points that permit several circuit
configurations.
Refer to Figure 1. The EV Board is populated on its top side only for easy of measurement access. The
10x2 customer header connector is designed to connect with the InvenSense ARM Evaluation Board
(INVARMEVB), which is a host microcontroller board useful for adapting the MPU-3000 & MPU-3050 3-
Axis EV Board to a personal computer via its USB port.
Factory Header
Power Selection
MPU-3000
or
MPU-3050
User Header
Figure 1. Top side of the MPU-3050 3-Axis EV Board
The 5x2 extension factory header is intended for connecting additional devices to the EV Board, such
as a camera image stabilization processor, or a digital-output compass, etc. The 3-pin power selection
headers are used to select which voltage supply is fed to the MPU-3000 & MPU-3050.
InvenSense, Inc., 1197 Borregas Ave., Sunnyvale, Ca 94089, USA
Tel: +1 (408) 988-7339 Fax: +1 (408) 988-8104
Website: http//www.invensense.com
5
AN-MPU-30x0EVB-00
©2011 InvenSense, Inc. All rights reserved.
Document Number: AN-MPU-30x0EVB-00
Revision: 2.0
MPU-3000 & MPU-3050 EV Board User Guide
Release Date: 07/15/2011
3.1
MPU-3000 & MPU-3050 Key Function and Pin-outs
The MPU-3000 & MPU-3050 EVB is a fully-tested evaluation board, providing for quick evaluation of the
MPU-3000 & MPU-3050‟s X- , Y- , and Z-axis angular rate gyroscope. The MPU-3000 & MPU-3050
use InvenSense‟s proprietary MEMS technology with vertically 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.
24 23 22 21 20 19
24 23 22 21 20 19
CLKIN
NC
1
2
3
4
5
6
18 GND
17 NC
16 NC
15 NC
14 NC
13 VDD
CLKIN
NC
1
2
3
4
5
6
18 GND
17 NC
16 NC
15 NC
14 NC
13 VDD
NC
NC
MPU-3000
MPU-3050
NC
NC
NC
NC
AUX_DA
AUX_DA
7
8
9
10 11 12
7
8
9
10 11 12
Figure 2. MPU-3000 & MPU-3050 QFN Package (Top View) 24-pin 4mm x 4mm x 0.9mm
+Z
M
P
+Y
M
U
P
-
3
U
0
-
3
0
0
0
5
0
+X
Figure 3. Orientation of Axes of Sensitivity and Polarity of Rotation
InvenSense, Inc., 1197 Borregas Ave., Sunnyvale, Ca 94089, USA
Tel: +1 (408) 988-7339 Fax: +1 (408) 988-8104
Website: http//www.invensense.com
6
AN-MPU-30x0EVB-00
©2011 InvenSense, Inc. All rights reserved.
Document Number: AN-MPU-30x0EVB-00
Revision: 2.0
MPU-3000 & MPU-3050 EV Board User Guide
Release Date: 07/15/2011
3.2
MPU-3000 & MPU-3050 Bus Connection
The MPU-3000 communicates to a system processor using either SPI or I2C serial interfaces. The
MPU-3050 communicates to a system processor using an I2C serial interface. The device always acts
as a slave when communicating to the system processor.
4. MPU-3000 & MPU-3050 3-Axis EVB Schematics
LDO_V_OUT
V_LOGIC
M1
M3
1
2
3
JP2
HEADER 3,
180D, Male
I2C80mVil, _logic
0.1uF
BP1
Voltage
Select
R1
1K
R2
2K
R3
2K
VCC
M6
U1
MPU-3000/3050
6
7
8
9
24
23
/MCU_CS
MCU_SDO
MCU_SDA
MCU_SCL
MPU_SDA CS/V_LOGIC
MPU_SCL
SDO/ ADDR
SDA/ SDI
CLK_O
22
CLK_O
SCL/ SCLK
12
11
1
1
TP1
C1
INT
FSYNC
CLK_I
FSYNC_I
20
10
CP_O
REG_O
CP_OUT
REG_O
SELECTED_VDD
13
18
VDD
GND
2
3
4
5
NC
NC
NC
NC
21
19
RESV2
RESV1
BP2
0.1uF
BP3
0.1uF
M7
2200pF/50V/0402
VCC
M4
M5
VCC
LDO_V_OUT
MCU_SCL
MCU_SDA
MCU_SDO
FSYNC
2
4
6
8
10
1
3
5
7
9
FSYNC
JP7
JP8
HEADER 14X2, Male, 90D, 2.54mmx2.54mm
JP6
HEADER 5X2, Male, 180D, 2.0mmx2.0mm
HEADER 3, 80mil, 180D, Male
Voltage
Select
SDA
SCL
RSV1
INT
RSV2
CLK_I
CP_O
1
3
5
7
9
11
13
15
17
19
21
23
25
27
2
4
6
8
10
12
14
16
18
20
22
24
26
28
R10
0R
/MCU_CS
CLK_O
LDO_EN
REG_O
LDO_V_OUT
FSYNC
R11
0R
MCU_SCL
MCU_SDA
MCU_SDO
VCC
R4
100K
User Header
TP2
R5
1M
R6
0R
R7
DNS_100K
VCC
LDO YB1210ST25R300
SOT235 U2
R8
2R2/0603
1
2
3
5
LDO_V_OUT
VCC
Vin OUT
GND
EN
BP4
0.1uF
C2
0.47uF/0603
4
NC
C3
0.47uF/0603
BP5
0.1uF
DNS: Do-Not-Stuff
3V0
C4
0.033uF/0402
Figure 4. Schematics
InvenSense, Inc., 1197 Borregas Ave., Sunnyvale, Ca 94089, USA
Tel: +1 (408) 988-7339 Fax: +1 (408) 988-8104
Website: http//www.invensense.com
7
AN-MPU-30x0EVB-00
©2011 InvenSense, Inc. All rights reserved.
Document Number: AN-MPU-30x0EVB-00
Revision: 2.0
MPU-3000 & MPU-3050 EV Board User Guide
Release Date: 07/15/2011
4.1
Bill of Materials
Table 1. Bill of Materials
Item Quantity Reference
Part
0.1uF
PCB Footprint
C0402
1
2
5
1
2
1
4
2
1
1
2
2
1
1
1
1
BP1,BP2,BP3,BP4,BP5
C1
2200pF/50V
0.47uF/0603
0.033uF
C0402
3
C2,C3
C0603
4
C4
C0402
6
JP1,JP3,JP4,JP5
Solder
JP2P1_8X1_3S
7
JP2,JP7
JP6
HEADER 3, 80mil, 180D, Male
J79\3S
SIP2X5N2
HDB2X14NRA
R0402
8
HEADER 5X2, Male, 180D, 2.0mmx2.0mm
9
JP8
HEADER 14X2, Male, 90D, 2.54mmx2.54mm
11
12
13
14
17
18
R4,R1
R3,R2
R5
100K
10K
R0402
1M
R0402
R8
2R2/0603
R0603
U1
MPU-3000, 24-Lead QFN (4mm x 4mm x 0.9mm) QFN5_5S24P0_5T
YB1210ST25R300 SOT235
U2
4.2
Power Supply Connections
JP2 and JP7 are 3 header-pin plug-in jumpers which allow users to select between on-board LDO
and external DC supply to the MPU-3000 & MPU-3050. For details, please refer Table 2. Power
Selection Jumpers.
The on-board 3.0V LDO (Low-dropout voltage regulator) is a low-noise version with stable enable-
disable profile. Its output is called 3V0 on the schematic, and using it will assure that the gyroscope
and accelerometer performance will meet intended specifications.
Selecting the raw Vcc line to power the chip is generally done while designing and evaluating an
embedded platform, where the host processor and related electronics needs full control over the
motion processing chipset‟s power supply.
When user intends to use on board LDO 3V0 power, external Vcc must be provided with higher than
3.7V to ensure that the LDO works properly.
If user provides Vcc with 5V, JP2 and JP7 must be set as “1-2 short”. MPU-3000 & MPU-3050 VDD
and VLOGIC operation range is 2.1V to 3.6V.
InvenSense, Inc., 1197 Borregas Ave., Sunnyvale, Ca 94089, USA
Tel: +1 (408) 988-7339 Fax: +1 (408) 988-8104
Website: http//www.invensense.com
8
AN-MPU-30x0EVB-00
©2011 InvenSense, Inc. All rights reserved.
Document Number: AN-MPU-30x0EVB-00
Revision: 2.0
MPU-3000 & MPU-3050 EV Board User Guide
Release Date: 07/15/2011
4.3
MPU-3000 & MPU-3050 EVB connector signals description
Table 2. Power Selection Jumpers
JP2 Pin Number
1-2 short
Signal description
VLOGIC = 3V
2-3 short
VLOGIC = Vcc (from external)
Signal description
JP7 Pin Number
1-2 short
VDD = 3V
2-3 short
VDD = Vcc (from external)
Table 3. User Interface Connector Signals
JP8 Pin Number
Signal description
1
3
Reserved
Reserved
5
Reserved
7
INT, INT output to controller
9
Reserved
CLK_I
CPOUT
GND
11
13
15
17
19
21
GND
3V
FSYNC
Receive power from ARM-7 Controller Board or external. It should be 5V,
with >200mA
23
25
27
2
NC
NC
NC
4
NC
6
NC
8
SPI CS
Reserved
NC
10
12
InvenSense, Inc., 1197 Borregas Ave., Sunnyvale, Ca 94089, USA
Tel: +1 (408) 988-7339 Fax: +1 (408) 988-8104
Website: http//www.invensense.com
9
AN-MPU-30x0EVB-00
©2011 InvenSense, Inc. All rights reserved.
Document Number: AN-MPU-30x0EVB-00
Revision: 2.0
MPU-3000 & MPU-3050 EV Board User Guide
Release Date: 07/15/2011
JP8 Pin Number
Signal description
EVB on board LDO enable
NC
14
16
18
20
22
24
26
28
REGOUT
I²C SCL or SPI SCLK
I²C SDA or SPI SDI
I²C Addr or SPI SDO
NC
NC
Table 4. Extended Factory Connector
JP6 Pin Number
Signal description
VCC, power from ARM-7 controller board or external power. It should be
5V, with >200mA
1
3
GND
5
NC
7
NC
NC
9
2
3V
4
I²C SCL or SPI SCLK
I²C SDA or SPI SDI
I²C Addr or SPI SDO
FSYNC
6
8
10
4.4
Connecting the FSYNC Line
The FSYNC line is intended for use in a camera‟s image-stabilization system. It is an input from the
camera platform to the EV Board, and is intended to synchronize the MPU-3000 & MPU-3050‟s
serial bus transfer with the master timing set by the camera system. FSYNC can originate from the
host processor via JP8 pin-21, or from JP6 pin-10. There is no external pull-up termination for the
FSYNC line.
InvenSense, Inc., 1197 Borregas Ave., Sunnyvale, Ca 94089, USA
Tel: +1 (408) 988-7339 Fax: +1 (408) 988-8104
Website: http//www.invensense.com
10
AN-MPU-30x0EVB-00
©2011 InvenSense, Inc. All rights reserved.
Document Number: AN-MPU-30x0EVB-00
Revision: 2.0
MPU-3000 & MPU-3050 EV Board User Guide
Release Date: 07/15/2011
4.5
Serial bus Levels, Speeds and Terminations
The MPU-3000 & MPU-3050 support I²C up to 400kHz, and SPI (MPU-3000 only) up to 1MHz serial
clock rates. The I²C bus open drain pull up resisters are connected to either 3.0V or external
provided Vcc (3V or 5V depend on user). The pull up level is selected by JP2. Please refer to Table
2. Power Selection Jumpers.
5. Data Gathering Options
The MPU-3000 & MPU-3050‟s Digital Sensor Data is available at the User Header. Alternatively, for
connectivity with a host PC, an InvenSense ARM Processor Board may be used.
5.1
Connection to ARM EVB
For communications via USB to a host computer, the MPU-3000 & MPU-3050 EVB can be
connected to InvenSense‟s ARM processor board, the INV-ARMEVB.
The photo below shows the connection of MPU-3000 & MPU-3050 to INV-ARMEVB. Connection
between the two boards is made via the user header.
Figure 5. Connect MPU-3000 & MPU-3050 EVB to ARM Board
1.1 Use of MPU-3000 & MPU-3050 without ARM EVB board
I²C and SPI signals are available on JP8 and JP6. User can develop tools to communicate with the
MPU-3000 & MPU-3050. There is no bus mode selection setting needed.
InvenSense, Inc., 1197 Borregas Ave., Sunnyvale, Ca 94089, USA
Tel: +1 (408) 988-7339 Fax: +1 (408) 988-8104
Website: http//www.invensense.com
11
AN-MPU-30x0EVB-00
©2011 InvenSense, Inc. All rights reserved.
Document Number: AN-MPU-30x0EVB-00
Revision: 2.0
MPU-3000 & MPU-3050 EV Board User Guide
Release Date: 07/15/2011
6. Special Instructions
6.1
Electrostatic Discharge Sensitivity
The MPU-3000 & MPU-3050 gyro can be permanently damaged by an electrostatic discharge. ESD
precautions for handling and storage are recommended.
7. Dimension Drawing
The MPU-3000 & MPU-3050 EV board is a 4 layer PCB with 32mm x 38mm dimension.
Figure 6. MPU-3000 & MPU-3050 EVB Dimensions
InvenSense, Inc., 1197 Borregas Ave., Sunnyvale, Ca 94089, USA
12
AN-MPU-30x0EVB-00
Tel: +1 (408) 988-7339 Fax: +1 (408) 988-8104
Website: http//www.invensense.com
©2011 InvenSense, Inc. All rights reserved.
Document Number: AN-MPU-30x0EVB-00
Revision: 2.0
MPU-3000 & MPU-3050 EV Board User Guide
Release Date: 07/15/2011
This information furnished by InvenSense is believed to be accurate and reliable. However, no responsibility is assumed by InvenSense
for its use, or for any infringements of patents or other rights of third parties that may result from its use. Specifications are subject to
change without notice. InvenSense reserves the right to make changes to this product, including its circuits and software, in order to
improve its design and/or performance, without prior notice. InvenSense makes no warranties, neither expressed nor implied, regarding
the information and specifications contained in this document. InvenSense assumes no responsibility for any claims or damages arising
from information contained in this document, or from the use of products and services detailed therein. This includes, but is not limited
to, claims or damages based on the infringement of patents, copyrights, mask work and/or other intellectual property rights.
Certain intellectual property owned by InvenSense and described in this document is patent protected. No license is granted by
implication or otherwise under any patent or patent rights of InvenSense. This publication supersedes and replaces all information
previously supplied. Trademarks that are registered trademarks are the property of their respective companies. InvenSense sensors
should not be used or sold in the development, storage, production or utilization of any conventional or mass-destructive weapons or for
any other weapons or life threatening applications, as well as in any other life critical applications such as medical equipment,
transportation, aerospace and nuclear instruments, undersea equipment, power plant equipment, disaster prevention and crime
prevention equipment.
InvenSense® is a registered trademark of InvenSense, Inc. MPU-3000™ and MPU-3050™ are trademarks of InvenSense, Inc.
©2011 InvenSense, Inc. All rights reserved.
InvenSense, Inc., 1197 Borregas Ave., Sunnyvale, Ca 94089, USA
Tel: +1 (408) 988-7339 Fax: +1 (408) 988-8104
Website: http//www.invensense.com
13
AN-MPU-30x0EVB-00
©2011 InvenSense, Inc. All rights reserved.
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