参数资料
型号: LSM330DL
厂商: STMICROELECTRONICS
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PBGA28
封装: 7.50 X 4.40 MM, 1.10 MM HEIGHT, GREEN, PLASTIC, LGA-28
文件页数: 22/54页
文件大小: 1064K
代理商: LSM330DL
LSM330DL
Registers description
Doc ID 022018 Rev 1
29/54
7
Registers description
The device contains a set of registers which are used to control its behavior and to retrieve
acceleration, angular rate and temperature data. The register addresses, composed of 7
bits, are used to identify them and to write the data through the serial interface.
7.1
CTRL_REG1_A (20h)
ODR<3:0> is used to set power mode and ODR selection. The following table gives the
frequency for all combinations of ODR<3:0>.
Table 19.
CTRL_REG1_A register
ODR3
ODR2
ODR1
ODR0
LPen
Zen
Yen
Xen
Table 20.
CTRL_REG1_A description
ODR3-0
Data rate selection. Default value: 0
(0000: power-down; Others: Refer to
LPen
Low-power mode enable. Default value: 0
(0: normal mode, 1: low-power mode)
Zen
Z-axis enable. Default value: 1
(0: Z-axis disabled; 1: Z-axis enabled)
Yen
Y-axis enable. Default value: 1
(0: Y-axis disabled; 1: Y-axis enabled)
Xen
X-axis enable. Default value: 1
(0: X-axis disabled; 1: X-axis enabled)
Table 21.
Data rate configuration
ODR3
ODR2
ODR1
ODR0
Power mode selection
00
00Power-down mode
0
1
Normal / low-power mode (1 Hz)
0
1
0
Normal / low-power mode (10 Hz)
0
1
Normal / low-power mode (25 Hz)
0
1
0
Normal / low-power mode (50 Hz)
0
1
0
1
Normal / low-power mode (100 Hz)
0
1
0
Normal / low-power mode (200 Hz)
0
1
Normal / low-power mode (400 Hz)
10
00Low-power mode (1.620 kHz)
1
0
1
Normal (1.344 kHz) / low-power mode (5.376 kHz)
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