Datasheet

Bosch Sensortec
| BMI088 Data sheet
40 |
48
Modifications reserved | Data subject to change without notice
Document number: BST-BMI088-DS001-1
3
Revision_1.3_05201
8
7. Pin-out and Connection Diagram
Figure 6: Pin-out top view Figure 7: Pin-out bottom view
7.1 Pin-out
Table 14: Pin description
Pin#
Name
I/O Type
Description
SPI mode
I
2
C mode
1*
INT2
Digital I/O
Interrupt pin 2 (accel int #2)
INT2
INT2
2
NC
--
--
GND
GND
3
VDD
Supply
Power supply analog & digital
domain (2.4 – 3.6V)
VDD
VDD
4
GNDA
Ground
Ground for analog domain
GND
GND
5
CSB2
Digital in
SPI Chip select Gyro
CSB2
DNC (float)
6
GNDIO
Ground
Ground for I/O
GND
GND
7
PS
Digital in
Protocol select gyroscope
(GND = SPI, VDDIO = I²C)
GND
VDDIO
8
SCL /
SCK
Digital in
SPI: serial clock SCK
I²C: serial clock SCL
SCK
SCL
9
SDA /
SDI
Digital I/O
I²C: SDA serial data I/O
SPI 4W: SDI serial data I
SPI 3W: SDA serial data I/O
SDI
SDA
10
SDO2
Digital out
SPI Serial data out Gyro
Address select in I²C mode
see chapter 9.2
SDO2
GND
for default addr.
11
VDDIO
Supply
Digital I/O supply voltage
(1.2V … 3.6V)
VDDIO
VDDIO
12*
INT3
Digital I/O
Interrupt pin 3 (gyro int #1)
INT3
INT3
13*
INT4
Digital I/O
Interrupt pin 4 (gyro int #2)
INT4
INT4
14
CSB1
Digital in
SPI Chip select Accel
CSB1
VDDIO or DNC
(float)
15
SDO1
Digital out
SPI Serial data out Accel
Address select in I²C mode
see chapter 9.2
SDO1
GND
for default addr.
16*
INT1
Digital I/O
Interrupt pin 1 (accel int #1)
INT1
INT1
* If INT are not used, do not connect them (DNC)!
1