LSM6DSM Datasheet, PDF (65/113 Pages) STMicroelectronics – always-on 3D accelerometer and 3D gyroscope

LSM6DSM
Register description
10.18
CTRL6_C (15h)
Angular rate sensor control register 6 (r/w).
Table 63. CTRL6_C register
TRIG_EN
LVL1_EN
LVL2_EN
XL_HM_MODE
USR_
OFF_W
0⁽¹⁾
1. This bit must be set to ‘0’ for the correct operation of the device.
FTYPE_1 FTYPE_0
TRIG_EN
LVL1_EN
LVL2_EN
XL_HM_MODE
USR_OFF_W
FTYPE[1:0]
Table 64. CTRL6_C register description
DEN data edge-sensitive trigger enable. Refer to Table 65.
DEN data level-sensitive trigger enable. Refer to Table 65.
DEN level-sensitive latched enable. Refer to Table 65.
High-performance operating mode disable for accelerometer. Default value: 0
(0: high-performance operating mode enabled;
1: high-performance operating mode disabled)
Weight of XL user offset bits of registers 73h, 74h, 75h
0 = 2^-10 g/LSB
1 = 2^-6 g/LSB
Gyroscope's low-pass filter (LPF1) bandwidth selection
Table 66 shows the selectable bandwidth values (available if auxiliary SPI is
disabled).
Table 65. Trigger mode selection
TRIG_EN, LVL1_EN, LVL2_EN
Trigger mode
100
Edge-sensitive trigger mode is selected
010
Level-sensitive trigger mode is selected
011
Level-sensitive latched mode is selected
110
Level-sensitive FIFO enable mode is selected
Table 66. Gyroscope LPF1 bandwidth selection
FTYPE[1:0]
ODR = 800 Hz
BW
Phase
delay⁽¹⁾
ODR = 1.6 kHz
BW
Phase
delay⁽¹⁾
ODR = 3.3 kHz
BW
Phase
delay⁽¹⁾
ODR = 6.6 kHz
BW
Phase
delay⁽¹⁾
00
245 Hz 14° 315 Hz 10° 343 Hz
8°
351 Hz
7°
01
195 Hz 17° 224 Hz 12° 234 Hz 10° 237 Hz
9°
10
155 Hz 19° 168 Hz 15° 172 Hz 12° 173 Hz 11°
11
293 Hz 13° 505 Hz
8°
925 Hz
6°
937 Hz
5°
1. Phase delay @ 20 Hz
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