Data Sheet

Accelerometer and gyroscope register description LSM9DS1
52/72 DocID025715 Rev 2
Table 67. CTRL_REG6_XL register description
ODR_XL [2:0] is used to set power mode and ODR selection. Table 68 indicates all the
frequencies available when only the accelerometer is activated.
7.25 CTRL_REG7_XL (21h)
Linear acceleration sensor Control Register 7.
ODR_XL
[2:0]
Output data rate and power mode selection. default value: 000 (see
Table 68)
FS_XL
[1:0]
Accelerometer full-scale selection. Default value: 00
(00: ±2g; 01: ±16 g; 10: ±4 g; 11: ±8 g)
BW_SCAL_
ODR
Bandwidth selection. Default value: 0
(0: bandwidth determined by ODR selection:
- BW = 408 Hz when ODR = 952 Hz, 50 Hz, 10 Hz;
- BW = 211 Hz when ODR = 476 Hz;
- BW = 105 Hz when ODR = 238 Hz;
- BW = 50 Hz when ODR = 119 Hz;
1: bandwidth selected according to BW_XL [2:1] selection)
BW_XL
[1:0]
Anti-aliasing filter bandwidth selection. Default value: 00
(00: 408 Hz; 01: 211 Hz; 10: 105 Hz; 11: 50 Hz)
Table 68. ODR register setting (accelerometer only mode)
ODR_XL2 ODR_XL1 ODR_XL0 ODR selection [Hz]
0 0 0 Power-down
0 0 1 10 Hz
0 1 0 50 Hz
0 1 1 119 Hz
1 0 0 238 Hz
1 0 1 476 Hz
1 1 0 952 Hz
1 1 1 n.a.
Table 69. CTRL_REG7_XL register
HR DCF1 DCF0 0
(1)
1. These bits must be set to ‘0’ for the correct operation of the device
0
(1)
FDS 0
(1)
HPIS1