H3LIS331DL Datasheet, PDF (7/38 Pages) STMicroelectronics – MEMS motion sensor: low-power high-g 3-axis digital accelerometer

H3LIS331DL
Block diagram and pin description
1
Block diagram and pin description
1.1
Block diagram
Figure 1. Block diagram
X+
Y+
CHARGE
Z+
AMPLIFIER
CS
I²C
SCL/SPC
a
MUX
A/D
CONVERTER
CONTROL LOGIC
SDA/SDO/SDI
Z-
SPI
SDO/SA0
Y-
X-
REFERENCE
TRIMMING
CIRCUITS
CLOCK
CONTROL LOGIC
&
INTERRUPT GEN.
INT 1
INT 2
AM12624V1
1.2
Pin description
Figure 2. Pin connections
Z
X
1
13
Pin 1 indicator
1
Y
(TOP VIEW)
DIRECTION OF THE
DETECTABLE
ACCELERATIONS
9
5
(BOTTOM VIEW)
AM12625V1
DocID023111 Rev 2
7/38
38