LSM303D Datasheet, PDF (8/52 Pages) STMicroelectronics – Embedded temperature sensor

Block diagram and pin description
1
Block diagram and pin description
1.1
Block diagram
Figure 1. Block diagram
I (a)
I (M)
Sensing Block
X+
Y+
Z+
Z-
Y-
X-
X+
Y+
Z+
Z-
Y-
X-
Sensing Interface
CHARGE
AMPLIFIER
+
MUX
-
CHARGE
AMPLIFIER
+
MUX
-
INTERRUPT GEN.
REFERENCE
FIFO
OFFSET
CIRCUITS
A/D
converter
TRIMMING
CIRCUITS
BUILT-IN
SET/RESET
CIRCUITS
Control
Logic
CLOCK
TEMPERATURE
SENSOR
1.2
Pin description
Z
Figure 2. Pin connections
LSM303D
CS
SCL/SPC
SDA/SDI/SDO
SDO/SA0
INT1
INT2
AM12676V1
8/52
X
Y
Z
X
1
Y
TOP VIEW
DIRECTION OF
DETECTABLE
ACCELERATIONS
TOP VIEW
DIRECTION OF
DETECTABLE
MAGNETIC FIELDS
DocID023312 Rev 2
Pin 1 indicator
13
1
9
5
(BOTTOM VIEW)
AM12677V1