Datasheet

Preliminary Data Sheet
BMA400
Page 133 /
Confidential
BST-BMA400-DS000-00 | Version 0.1 | November 2017 Bosch Sensortec
© Bosch Sensortec GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties.
BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany.
Note: Specifications within this document are subject to change without notice.
7. Pin-out and Connection Diagrams
7.1. Pin-out
Pin description
Pin#
Name
I/O Type
Description
Connect to
in SPI 4W
In SPI 3W
in I²C
1
SDO
Digital I/O
Serial data output in SPI
Address select in I²C mode
see chapter 7.2
SDO
DNC (float)
GND for default I2C
addr.
2
SDX
Digital I/O
SDA serial data I/O in I²C
SDI serial data input in SPI 4W
SDA serial data I/O in SPI 3W
SDI
SDA
SDA
3
VDDIO
Supply
Digital I/O supply voltage (1.2V
… 3.6V)
V
DDIO
V
DDIO
V
DDIO
4
NC
5
INT1
Digital I/O
Interrupt output 1 (default)
INT1
(FIFO sync)
INT1
(FIFO sync)
INT1
(FIFO sync)
6
INT2
Digital I/O
Interrupt output 2 (default)
INT2
(FIFO sync)
INT2
(FIFO sync)
INT2
(FIFO sync)
7
VDD
Supply
Power supply for analog & digital
domain (1.62V … 3.6V)
V
DD
V
DD
V
DD
8
GNDIO
Ground
Ground for I/O
GND
GND
GND
9
GND
Ground
Ground for digital & analog
GND
GND
GND
10
CSB
Digital in
Chip select for SPI mode
CSB
CSB
DNC (float)
11
NC
12
SCX
Digital in
SCK for SPI serial clock
SCL for I²C serial clock
SCK
SCK
SCL
Bottom View
Pads visible!
Top View
Pads not visible!
Confidential and under NDA
Seeed Studio
Confidential and under NDA
Seeed Studio
Confidential and under NDA