參數(shù)資料
型號(hào): LSM303DLHTR
廠商: STMICROELECTRONICS
元件分類: 模擬信號(hào)調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PBGA28
封裝: 5 X 5 MM, 1 MM HEIGHT, ROHS COMPLIANT, PLASTIC, LGA-16
文件頁數(shù): 35/47頁
文件大?。?/td> 585K
代理商: LSM303DLHTR
Registers description
LSM303DLH
40/47
Doc ID 16941 Rev 1
9.2.2
CRB_REG_M (01h)
The configuration register B for setting the device gain. CRB0 through CRB7 indicate bit
locations, with
CRB denoting the bits that are in the configuration register. CRB7 denotes
the first bit of the data stream. The number in parentheses indicates the default value of that
bit.
9.2.3
MR_REG_M (02h)
The mode register is an 8-bit register from which data can be read or to which data can be
written. This register is used to select the operating mode of the device. MR0 through MR7
indicate bit locations, with
MR denoting the bits that are in the mode register. MR7 denotes
Table 59.
CRA_REG_M description
MS1
MS0
Magnetic sensor operating mode
00
Normal measurement configuration (default). In normal measurement
configuration the device follows normal measurement flow.
0
1
Positive bias configuration.
1
0
Negative bias configuration.
1
This configuration is not used
Table 60.
CRA_REG register
GN2
GN1
GN0
0
Table 61.
CRA_REG description
CRB7 to CRB5
Gain configuration bits. These bits configure the gain for the device. The gain
configuration is common for all channels
CRB7 to CRB5 This bit must be cleared for correct operation
Table 62.
Gain setting
GN2
GN1
GN0
Sensor input
field range
[Gauss]
Gain X/Y and
Z
[LSB/Gauss]
Gain Z
[LSB/Gauss]
Output range
001
±1.3
1055
950
0xF800–0x07FF
(-2048–2047)
0
1
0
±1.9
795
710
0
1
±2.5
635
570
1
0
±4.0
430
385
1
0
1
±4.7
375
335
1
0
±5.6
320
285
1
±8.1
230
205
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