LSM330D Datasheet, PDF (29/66 Pages) STMicroelectronics – Low power mode

LSM330D
Functionality
Figure 11. Level-sensitive trigger stamping (LVLen = 1; EXTRen = 0)
4.4.1
4.4.2
Level-sensitive
Trigger enabled
on X-Axis
Xen=1,Yen=Zen=0
x_i,y_i,z_i
Level-sensitive
Trigger enabled
on Y-axis
Yen=1, Xen=Zen=0
x_i,y_i,z_i
Level-sensitive
Trigger enabled
on Z-axis
Zen=1, Xen=Yen=0
x_i,y_i,z_i
D
x_i(15-1) E
N
x_i-N+1 D
(15-1)
E
N
y_i(15-0)
y_i-N+1
(15-0)
Z_i(15-0)
z_i-N+1
(15-0)
x_i(15-0)
x_i-N+1
(15-0)
D
y_i(15-1) E
N
y_i-N+1
D
E
(15-1) _N
Z_i(15-0)
Z_i-N+1
(15-0)
x_i(15-0)
x_i-N+1
(15-0)
y_i(15-0)
y_i-N+1
(15-0)
D
Z_i(15-1) E
N
z_i-N+1
(15-1)
D
E
N
AM10162V1
Level-sensitive trigger stamping
Once enabled, DEN level replaces the LSb of the X, Y or Z axes, configurable through the
Xen, Yen, Zen bits in the CTRL_REG1_G register. Data is stored in the FIFO with the
internally-selected ODR.
Edge-sensitive trigger
Once enabled by setting EXTRen = 1, FIFO is filled with the pitch, roll and yaw data on the
rising edge of the DEN input signal. When selected ODR is 800 Hz, the maximum DEN
sample frequency is f_DEN = 1/T_DEN = 400 Hz.
Doc ID 022562 Rev 2
29/66