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4.2 MPU-9250 Pin out and Signal Description
Pin Number
Pin Name
1
7
8
9
AD0/SDO
10
REGOUT
11
12
13
18
19
20
21
22
23
SCL/SCLK
24
2~6, 14~17
l MPU-9250 I2C 7bit device address: 0x69 ( in module : AD0 is HIGH )
MSB
1
1
OSTSen-9250 v1.0
RESV
Reserved. Connect to VDDIO
AUX_CL
I2C master serial clock for connecting to external sensors
VDDIO
Digital I/O supply voltage
I2C Slave Address LSB (AD0); SPI serial data output(SDO)
Regulator filter capacitor connection
Frame synchronization digital input.
FSYNC
Connect to GND if unused
INT
Interrupt digital output (totem pole or open-drain)
VDD
Power supply voltage and Digital I/O supply voltage
GND
Power supply ground
RESV
Reserved. Do not connect
RESV
Reserved. Connect to GND
AUX_DA
I2C master serial data, for connecting to external sensors
nCS
Chip select (SPI mode only)
I2C serial clock(SCL); SPI serial clock(SCLK)
SDA/SDI
I2C serial data(SDA); SPI serial data input(SDI)
NC
Not internally connected May be used for PCB trace routing
0
1
0
0
Pin Description
0x68 ( in module : AD0 is LOW )
LSB
X
R/W
5 of 9
Hara Systems Inc.
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