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I3G4250D Datasheet, PDF (31/43 Pages) STMicroelectronics – 3-axis digital output gyroscope
I3G4250D
Register description
Table 22. DR and BW configuration setting (continued)
DR [1:0]
BW [1:0]
ODR [Hz]
Cutoff
01
00
200
12.5
01
01
200
25
01
10
200
50
01
11
200
70
10
00
400
20
10
01
400
25
10
10
400
50
10
11
400
110
11
00
800
30
11
01
800
35
11
10
800
50
11
11
800
110
A combination of PD, Zen, Yen, and Xen are used to set the device in different modes
(power-down / normal / sleep mode) according to the following table.
Table 23. Power mode selection configuration
Mode
PD
Zen
Yen
Xen
Power-down 0
-
-
-
Sleep
1
0
0
0
Normal
1
-
-
-
7.3
CTRL_REG2 (21h)
Table 24. CTRL_REG2 register
0(1)
0(1)
HPM1
HPM0 HPCF3 HPCF2
1. Value loaded at boot. This value must not be changed.
HPCF1
HPCF0
HPM1-
HPM0
HPCF3-
HPCF0
Table 25. CTRL_REG2 description
High-pass filter mode selection. Default value: 00
Refer to Table 26
High-pass filter cutoff frequency selection
Refer to Table 28
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