參數(shù)資料
型號(hào)： LIS33DE
廠商： STMICROELECTRONICS
元件分類： 模擬信號(hào)調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, PBGA16
封裝： 3 X 3 MM, 1 MM HEIGHT, GREEN, PLASTIC, LGA-16
文件頁(yè)數(shù)： 16/31頁(yè)
文件大?。?/td> 532K
代理商： LIS33DE
LIS33DE
Register description
Doc ID 15596 Rev 1
23/31
7
Register description
The device contains a set of registers which are used to control its behavior and to retrieve
acceleration data. The registers address, made of 7 bits, is used to identify them and to
write the data through serial interface.
7.1
CTRL_REG1 (20h)
Table 16.
CTRL_REG1 (20h) register
Table 17.
CTRL_REG1 (20h) register description
DR bit allows to select the data rate at which acceleration samples are produced. The
default value is ‘0’ which corresponds to a data-rate of 100 Hz. By changing the content of
DR to ‘1’ the selected data-rate will be set equal to 400 Hz.
PD bit allows to turn the device out of power-down mode. The device is in power-down
mode when PD= ‘0’ (default value after boot). The device is in normal mode when PD is set
to ‘1’.
STP, STM bits are used to activate the self-test function. When the bit is set to one, an
output change will occur to the device outputs (refer to Table 2 and 3 for specification) thus
allowing to check the functionality of the whole measurement chain.
Zen bit enables the generation of Data Ready signal for Z-axis measurement channel when
set to ‘1’. The default value is ‘1’.
Yen bit enables the generation of Data Ready signal for Y-axis measurement channel when
set to ’1’. The default value is ’1’.
Xen bit enables the generation of Data Ready signal for X-axis measurement channel when
set to ’1’. The default value is ’1’.
DR
PD
FS
STP
STM
Zen
Yen
Xen
DR
Data rate selection. Default value: 0
(0: 100 Hz output data rate; 1: 400 Hz output data rate)
PD
Power down control. Default value: 0
(0: power down mode; 1: active mode)
FS
Full scale selection. Default value: 0
(refer to table 2 for typical full scale value)
STP, STM
Self test enable. Default value: 0
(0: normal mode; 1: self test P, M enabled)
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)
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