LSM303D Datasheet, PDF (35/52 Pages) STMicroelectronics – Embedded temperature sensor

LSM303D
Register description
AODR [3:0] is used to set power mode and ODR selection. In the following table bit
selection of AODR [3:0] for all frequencies is shown.
Table 36. Acceleration data rate configuration
AODR3 AODR2 AODR1 AODR0
Power mode and ODR selection
0
0
0
0
Power-down mode
0
0
0
1
3.125 Hz
0
0
1
0
6.25 Hz
0
0
1
1
12.5 Hz
0
1
0
0
25 Hz
0
1
0
1
50 Hz
0
1
1
0
100 Hz
0
1
1
1
200 Hz
1
0
0
0
400 Hz
1
0
0
1
800 Hz
1
0
1
0
1600 Hz
8.18
CTRL2 (21h)
ABW1
ABW0
Table 37. CTRL2 register
AFS2
AFS1
AFS0
0⁽¹⁾
1. This bit must be set to ‘0’ for correct operation of the device.
AST
SIM
ABW[1:0]
AFS[2:0]
AST
SIM
Table 38. CTRL2 register description
Accelerometer anti-alias filter bandwidth. Default value: 00
Refer to Table 39
Acceleration full-scale selection. Default value: 000
Refer to Table 40
Acceleration self-test enable. Default value: 0
(0: self-test disabled; 1: self-test enabled)
SPI serial interface mode selection. Default value: 0
(0: 4-wire interface; 1: 3-wire interface)
ABW1
0
0
Table 39. Acceleration anti-alias filter bandwidth
ABW0
Anti-alias filter bandwidth
0
773 Hz
1
194 Hz
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